Science Of Exercise

Exercise in Medicine and diseases

Sedentary lifestyle.
  • Leads many diseases cancer, cardio vascular diseases.
  • Sitting is harmful!
  • Inactivity is risk factor for major chronic illnesses.
  • Even moderate exercise is great for reducing risk of many illnesses.
Diet, exercise, and weight control.
  • Obesity is cause for many diseases.
  • Fat stored in abdominal cavity is far more harmful.
    • Having a tummy/beer belly is far worse than having fat thighs/hips.
  • If you eat more calories than you burn, then you gain weight.
  • Dieting leads to loss of water weight. Prolonged diet will lead to loss of fat, but also loss of protein.
  • Weight lost due to dieting is regained when stopped, as it reduces metabolic rate.
Heart diseases
  • Heart diseases is most common cause of death - 25% in US.
  • Fat deposits in major arteries, eventually blocking blood causing heart attacks and strokes.
  • 59% of heart diseases causes due to physical inactivity.
  • Aerobic exercises will reduce risk of coronary artery blockages by reducing bad cholesterol and increasing good cholesterol.
  • Hypertension leads to stroke, heart diseases, kidney failures.
  • Exercise reduces blood pressure and hyper tension.
Diabetes - Type II
  • Caused elevated blood glucose levels or chronic hyperglycemia.
  • Insulin resistance.
  • Symptoms - excess urination, blurry vision, fatigue, thirst, hunger.
  • Main causes lack of exercise and obesity.
  • Regular exercise will increase insulin sensitivity and lower risk of insulin resistance.
  • Exercise will help treat type II Diabetes far, far better than anything else.
  • Modifiable risk factors for Cancer
    • Unhealthy lifestyle - lack of exercise, obesity, poor diet.
    • Environmental - tobacco, diet, sunlight, infectious diseases
    • Alcohol
  • Regular exercises reduces risk of breat, prostate, and colon cancer - 3 of the top 4 most common cancers.
  • Exercise can stop growth of cancer.
  • Improves antioxidants which are useful in fighting cancer.
  • Lowers body fat which can lead to cancer.
  • Reduces certain hormones which cause growth of cancer.
  • Exercise also improves quality of life for patient undergoing treatment.
  • Successful aging relates to maintaining your health to live experience desired quality of life.
  • Stamina - regular aerobic exercise helps maintain stamina in older age.
  • Loss of muscle mass, sarcopenia, which leads to falls, fractures, loss of mobility can be reduced with regular exercise.
  • Never too late to start exercising.
  • Osteoporosis - Porous bones, affects lot of women. - low calcium, vitamin D.
  • Weight lifting is important activity to counter Osteoporosis.
  • If you are active in younger age, it is important to keep active, as adaptations are reversible.
  • For healthy Brain
    • Active social lifestyle
    • Quality sleep
    • Stress management
    • Mental stimulation
    • Healthy diet
    • Regular exercise
  • Exercise helps with maintaining blood flow to brain, reducing risk of dementia.
  • Parkinson’s disease - brain stops producing dopamine, losing control of muscle movements.