Firefighter Health and Wellness · PDF fileFirefighter Health and Wellness ... •...
Transcript of Firefighter Health and Wellness · PDF fileFirefighter Health and Wellness ... •...
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PRESENTS… PRESENTS…
Dr. Michael Long ND BSc & Dr. Katie McKeown ND BSc
Firefighter Health and Wellness
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Firefighter Health and Wellness - Outline
1. Unique health risks for firefighters 2. Maximizing dietary nutrition 3. Altering behavioural and lifestyle
factors 4. Improving physical fitness 5. Detoxifying from workplace exposure
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www.ontariohealth.org www.ontariohealth.org
UNIQUE HEALTH RISKS FOR FIREFIGHTERS
Section I
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On the Job Deaths in Firefighters
T Hales, MD, et. Al. Fatalities among volunteer and career firefighters 1994-2004. Div of Safety Research, National Institute for Occupational Safety and Health; ML Ridenour, MPH, RS Noe, MPH, EIS officers, Centres for Disease Control.
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Cardiovascular Deaths By Age
T Hales, MD, et. Al. Fatalities among volunteer and career firefighters 1994-2004. Div of Safety Research, National Institute for Occupational Safety and Health; ML Ridenour, MPH, RS Noe, MPH, EIS officers, Centres for Disease Control. 6
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CV Risks of Firefighting
• 45% of all firefighter deaths are cardiovascular related, compared to: – 22% in Police Officers – 11% in EMT’s – 15% on job national average
• 32% of CV deaths occurred while fighting fires, despite <1% of time spent doing so.
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Death Rates Not Improving
U.S. Fire Administration
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Death Rates Not Improving
• Overall death rates stalled despite: – Fewer non-cardiovascular deaths – Better protective equipment
• Latest research shows cardiovascular deaths in firefighters are on the RISE! – WHY?
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Why is CV Risk Increasing?
• Constants: – Extreme heat and exertion – Toxic exposure – Psychological stress
• Variables (cardiovascular risk factors): – Conditioning – General health (hypertension, obesity, diet) – Underlying coronary artery disease
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Increased CV Risk: Blood Pressure
• Hypertension is a major risk factor for cardiovascular mortality and morbidity
Kales, S. et. Al.. Blood pressure in firefighters, police officers, and other emergency responders. American Journal of Hypertension. 22(1). 11-20. 2009.
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Increased CV Risk: Exercise and Diet
Kales, S. et. Al.. Blood pressure in firefighters, police officers, and other emergency responders. American Journal of Hypertension. 22(1). 11-20. 2009.
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Beyond Cardiovascular: Cancer Risk
• Firefighting comes with increased exposure to toxic and carcinogenic substances: – Gases and particulates – Heavy metals – Various organic/inorganic chemicals
• This causes and increased prevalence of various types of cancers.
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Needed: Preventative Approach
• Decrease cardiovascular and cancer risk: – Maximize dietary nutrition – Alter behavioural and lifestyle factors – Improve physical fitness – Detoxify from workplace exposure
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Areas to Address
Increased Cardiovascular and Cancer Risk
Toxic Exposure
Obesity, Hypertension, Exhaustion, Stress, Poor Sleep,
Poor Performance
Inadequate Nutrition
Poor Lifestyle Choices
Poor Physical Fitness
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Changing the Paradigm
Decreased Cardiovascular and Cancer Risk
Detoxification Ideal Weight, Normal Blood Pressure, Improved
Energy, Minimized Stress, Better Sleep, Improved Performance
Healthy Nutrition
Enhanced Lifestyle
Improved Fitness
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www.ontariohealth.org www.ontariohealth.org
MAXIMIZING DIETARY NUTRITION
Section II
Decreased Cardiovascular and Cancer Risk
Detoxification Ideal Weight, Normal Blood Pressure, Improved
Energy, Minimized Stress, Better Sleep, Improved Performance
Healthy Nutrition
Enhanced Lifestyle
Improved Fitness
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Diseases Caused Primarily by Poor Nutrition and Lifestyle
• Obesity • Coronary Artery Disease • Hypertension • Hypercholesterolemia • Type II Diabetes • Cancer (large contributor)
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Whole Foods Nutrition
• Eating food in its most natural, unaltered form: – Picked from a tree, plucked from the
ground, shot in the field
• Virtually all poor nutritional components come from pre-packaged and processed foods: – Salt, trans-fat, refined sugar
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Why Whole Foods? • Nutritious: contains all daily requirements for
vitamins and minerals • Highly Antioxidant: protects your cells by
neutralizing oxidative damage • Low Glycemic Load: no spikes in blood sugar prevents diabetes and stabilizes energy levels
• Low in saturated and trans-fats • High in ‘good fats’ (HDL)
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Whole Foods Decrease Obesity
• Whole foods are nutrient dense and full of fibre – It is far more difficult to overeat since
feelings of fullness occur faster than with nutrient poor, refined foods
• Allows your body to reach peak metabolic rate so that calories are burned most efficiently
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Implementing Whole Foods
Before -Diet focused heavily on red meat -Bleached white flour bread and pasta -Processed white rice -Eating potatoes as the primary vegetable -Pastries, sweets, fruit juice, and pop
After -Chicken, turkey, fish, and free range eggs -Whole grain bread and pasta -Brown or wild rice -Larger quantities and varieties of vegetables -Fresh fruit and water
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Vegetarian Protein Sources
• Legumes – Lentils – Kidney Beans – Split Peas – Pinto Beans
• Nuts and Seeds • Soy (Tofu)
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Sugar Epidemic
• Canadians eat 26 tsp sugar/day on average – 88 pounds/year
• General recommendation is less than 40g/day (we average 110g)
• Major obesity and cardiovascular risk
http://www.statcan.gc.ca/pub/82-003-x/2011003/article/11540-eng.htm
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What Does Harvard Think?
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The Dairy Conundrum
• Increasing evidence that dairy is not part of a healthy diet
• Nearly all adults are lactose intolerant, to some degree
• Linked to increased prevalence of disease through an inflammatory process
• My Experience: people feel better without it
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Specific Therapeutic Diets
• Many structured eating regimes exist to deal with individualized problems: – Dietary Approaches to Stopping Hypertension
(DASH) – Cholesterol Lowering Diet – Low Glycemic Index Diet (diabetes) – Anti-Inflammatory Diet (chronic pain) – Gluten Free Diet (digestive disturbance) – Weight Loss Diet according to Basal Energy
Expenditure
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Disease Prevention Strategy • Eat your vegetables! 10-12 Servings/day!
– DAILY dark green vegetables: extremely nutritional – Variety of brightly coloured vegetables – Eat lots of garlic: lowers blood pressure, stabilizes
insulin levels, reduces cholesterol • At least 3 servings of fruit/day (especially berries) • Eliminate fruit juices, drink water instead • Limit salt to 2000mg/day or less • Ensure 35g Fibre/day (oatmeal, psyllium, fruit,
beans): eliminates bad cholesterol and prevents sugar spikes
• Eat more cold water fish and avoid red meat • Dairy elimination?
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Trouble Getting 10-12 Vegetable Servings?
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www.ontariohealth.org www.ontariohealth.org
ALTERING BEHAVIOURAL AND LIFESTYLE FACTORS
Section III
Decreased Cardiovascular and Cancer Risk
Detoxification Ideal Weight, Normal Blood Pressure, Improved
Energy, Minimized Stress, Better Sleep, Improved Performance
Healthy Nutrition
Enhanced Lifestyle
Improved Fitness
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Modifiable Lifestyle Factors
• Ingestion of toxic substances: smoking, alcohol, drugs
• Sleep-Wake cycles • Stress Management
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Excessive Smoking and Alcohol Intake is Bad, Duh
• Diseases associated with smoking: – Lung cancer, Cancer of the mouth, Cancer of the throat, Cancer of the larynx, Cancer of the
oesophagus, Stomach cancer, Kidney cancer, Cancer of the bladder, Cancer of the pancreas, Liver cancer, Cancer of the penis, Cancer of the anus, Cervical cancer, Prostate cancer, Heart attack, Coronary heart disease, Cardiovascular disease, Congestive heart failure, Stroke, Atherosclerosis, Abdominal aortic aneurysm, Peripheral artery disease, Ischaemic heart disease, Angina, Leukaemia, Emphysema, Chronic bronchitis, Pneumonia, Asthma, Diabetes, Stomach ulcers, Cataracts, Gum disease, High blood pressure, Crohn's disease, Premature aging of the skin, Loss of smell and taste, Osteoporosis (women), Gangrene, Impotence, Reduced fertility
• Diseases associated with alcohol use: – Cancer of the tongue, Lip cancer, Larynx cancer, Stomach cancer, Colon cancer, Breast cancer, Liver
cancer, Cancer of the bile duct, Esophagus cancer, Impotence, Sexual dysfunction, Infertility, Gynecomastia, Testicular atrophy, Osteophenia, Diabetes, Ketoacidosis, Gout, High blood pressure, Heart disease, Artery disease, Sudden heart failure, Heart attack, Fatty liver, Alcoholic hepatitis, Cirrhosis, Anemia(s), Marrow toxicity, Iron or folate deficiency, Leucopenia, Meningitis, Pneumonia, Pancreatitis, Gastritis, Diarrhea (chronic) Esophagatitis, Colitis, Acid reflux, Parotid enlargement, Seizure, Korsakof's syndrome, Wernicke's Syndrome, Dementia, Brain shrinkage, Stroke, Subdural hematoma, Hemorrhage, Neuropathy, Malnutrition, Vitamin and mineral deficiencies
• Take home message: these are massive barriers to health quitting is essential to prolonged life!
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Importance of Sleep
• 75% of people have sleep disturbance 2x/week or more
• Physiologic changes from poor sleep: – Poor learning and memory – Altered metabolism and weight gain – Irritability and mood disturbance – Immune dysfunction – Cardiovascular problems (hypertension, irregular
heartbeats) – Inability to make good decisions
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Stages of Sleepiness
• Stage 1: Irritability and moodiness • Stage 2: Apathy, slowed speech,
flattened emotions, impaired memory • Stage 3: Lapses in attention, nodding
off when trying to stay awake • Stage 4: Hallucinations (beginning of
REM during wakefulness) Dinges, Sleep, Sleepiness and Performance, 1991
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How Much Sleep?
• Variable • Most adults function optimally with 16
hours wakefulness and 8 hours of sleep
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Sleep Hygiene
• Develop a regular sleep-wake cycle • Avoid caffeine 6 hours before bed • Make sleeping environment as dark and
silent as possible • Regular exercise is vitally important (avoid
vigorous exercise 6 hours before bed) • How to tell your body is adjusted to your
sleep-wake pattern? – You will wake up at the same time each
morning without need for an alarm clock
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Melatonin
• Increasing use to help with sleep onset problems
• DANGEROUS to use if you cannot guarantee a full nights sleep – Minimum 5 consecutive hours – i.e. do not use if there is a chance you will be
called out
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Physiologic Effect of Stress
• Stress causes a sympathetic (‘fight or flight’) nervous system response: – ‘Feeling on edge’ – Increased heart rate and blood pressure – Dilated pupils – Slowed digestion – Poor sleep
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Stress: Negative Health Burden
• Chronic stress associated with numerous health problems including: – Hypertension – Headaches – Anxiety/Depression – Mood swings – Haemorrhoids – Many Others
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Stress Management
• Stress is subjective, and everyone is affected differently. These are strategies that some people find effective: – Mindfulness Exercises: meditation, yoga, journaling – Physical activity – Stop trying to control the uncontrollable – Avoid people who stress you out – Learn to say no – Set time for yourself, doing what you like to do
• If you are finding it difficult to cope, ask for help!
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www.ontariohealth.org www.ontariohealth.org
IMPROVING PHYSICAL FITNESS
Section IV
Decreased Cardiovascular and Cancer Risk
Detoxification Ideal Weight, Normal Blood Pressure, Improved
Energy, Minimized Stress, Better Sleep, Improved Performance
Healthy Nutrition
Enhanced Lifestyle
Improved Fitness
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What is the single most important thing you can do for your health?
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Aerobic Centre Longitudinal Study
Blair, S.. Physical inactivity: the biggest public health problem of the 21st century. Br J Sports Med 2009;43:1-2 50
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Importance of Exercise
• Exercise alone decreases the risk of developing hundreds of named diseases – No drug or surgery can compare
• Studies show that daily exercise increases the life span anywhere from 3-10 years, depending on the variables measured – Nothing else does this
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Cardiorespiratory Fitness
• Strongest predictor of death! • One hour of exercise/week cuts occurrence
of heart disease by 50%!
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Obesity and Exercise
Obesity w/o Exercise Obesity + Exercise • Even without weight
loss, health outcomes drastically improve
• Very poor long-term health outcomes
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Exercise vs. Surgery
• Rainer Hambrecht took a group of patients with coronary artery disease: – ½ given exercise routine (30 mins/day) – ½ given corrective stent surgery
• After one year: – Exercise: 88% w/o CV accident – Stent: 70% w/o CV accident Rainer, H. et. Al.. Percutaneous Coronary Angioplasty Compared With Exercise Training in Patients With Stable Coronary Artery Disease: A Randomized Trial. Circulation. 2004. 1371-1378.
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How Much Exercise?
• Complicated and individualized – Depends on age, pre-existing health conditions, and
fitness level
• In general, more is better, to a frequency and intensity that does not cause extreme fatigue or injury – Could I be more vague?
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Exercise Duration
• Most experts agree that the best ‘return on investment’ is on the first 30 minutes of low-impact exercise/day – i.e. walking – Additional exercise is still highly valuable,
but the rate of health benefit falls off after 30 minutes
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Exercise Programs
• Best way to achieve fitness goals: – Formal, and specifically tailored exercise
programs that focus on disease prevention – Great way to build camaraderie
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The Real Question...
“Can you limit your sitting and sleeping to just 23.5 hours per day?” ~ Dr. Mike Evans, Associate Professor, U of T
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www.ontariohealth.org www.ontariohealth.org
DETOXIFYING FROM WORKPLACE EXPOSURE
Section V
Decreased Cardiovascular and Cancer Risk
Detoxification Ideal Weight, Normal Blood Pressure, Improved
Energy, Minimized Stress, Better Sleep, Improved Performance
Healthy Nutrition
Enhanced Lifestyle
Improved Fitness
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Toxic Load
Total Toxic Exposure
Ability to Detoxify &
Excrete Toxins
Total Toxic Load
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Types of Toxins
• Exogenous Toxins – derived from environment – Food, water, fumes, vapour, dust
• Endogenous Toxins – created within body – Intestinal toxins produced by bacteria
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Toxins and Disease
• Many cause and effect relationships between toxic substances and disease processes: – Non-Specific Illnesses: headaches, fatigue,
poor memory, muscle weakness, insomnia – Specific Illnesses: cancer, pneumonia,
migraine, arthritis
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Common Toxins and Their Sources Bath/Kitchen Asbestos, PCBs, BPAs, Phthalates
Heat Insulation/Pipes Asbestos, Lead
Cavities Asbestos, Phthalates, Lead, Arsenic, Mercury
Roofing Asbestos, Lead, Arsenic, Cadmium and other heavy metals
Exterior Cladding Asbestos, PVCs, BPAs, Lead
Sheds Asbestos, PCBs, BPAs, VOCs, Cadmium, Mercury
Electrical Boxes Asbestos, PCBs, BPAs, Lead
Soil BCPs, Lead, Cadmium
Structures Cadmium, Arsenic, Lead, Phthalates, BPAs
Gutters Asbestos, PCBs, BPAs, Phthalates
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Systemic Effects of Toxic Load
• Symptoms arise when the level of toxins present in the body is greater then the ability to detoxify and excrete toxins
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Chronic Toxic Exposure
Systemic Effects
• Nervous system • Endocrine system
(hormones) • Immune System • Allergies • Autoimmune • Chronic infections
Signs & Symptoms
• Chemical Sensitivity • Chronic fatigue • Depression, Anxiety,
Mood swings • Cognitive Dysfunction • Chronic Headaches • Muscle aches and
weakness • Infertility • Recurrent infections
Disorders
• Various Cancers • Autoimmune Disease • Reproductive
Disorders • Irritable Bowel Disease • Chronic Dermatitis • Neurodegenerative
Disorders
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Organs of Detoxification
• Majority of action is in the Liver – All toxins enter the liver via blood and lymph
where they are chemically altered for excretion • Gastrointestinal tract, kidneys and skin
take the chemically-altered toxins and eliminate them from the body – Feces – Urine – Sweat
• Lungs are also involved to a lesser extent
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Mechanism of Detoxification
• Two step enzymatic process: – Phase I – P450 enzymes perform
reduction/oxidation reactions which break toxic chemicals down
– Phase II – water soluble constituents are added so the toxin can be excreted (conjugation)
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Detoxification
Phase I Phase II
Toxins (Blood/lymph)
Toxins bound to BILE
Kidney
Urine
Bile
Feces
eliminate via Conjugation
pathways Cytochrome P450 enzymes
Liver
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Detox Program Minimize Toxic
Exposure •Diet – Organic, Whole
Foods Diet •Environment
Optimize Diet • Increase Fibre and Water • Increase Leafy Green Veg •Decrease Red Meats •Decrease Saturated Fats
Optimize Bowel Health
• Improve Gut Bacteria •Repair Gut Tissue •Restore Elimination •Optimize Digestion
Antioxidant Therapy •Neutralize Toxin
Damage
Support Liver Function
•Nutritional Support • Supplementation
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Liver ‘Cleanse’
• Doing a ‘detox’ is becoming increasing prevalent – Increasing evidence that therapeutic
detoxification plans can reduce bodily burden from toxic exposure
– Recommend a specific plan once per year
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In Summary
1. Firefighters are at increased risk of death from cardiovascular disease and cancer.
2. Prevalence of both cancer and CVD are in large part controlled by modifiable lifestyle factors.
3. Decreasing health risk is done by maximizing a healthy life through improved: nutrition, stress, sleep, physical activity, and detoxification.
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Today’s lecture is available for download on our website.