EXERCISE – BENEFICIAL OR RISKY?

EXERCISE – BENEFICIAL OR RISKY?

When you engage in daily moderate aerobic EXERCISE, such as brisk walking, for 30 to 45 minutes, you will realise many more benefits than risks.  However, if you undertake an aerobic program that’s excessive in amount (usually more than 45 minutes) and intensity (such as very hard running), the potential for experiencing the various risks of exercise escalate sharply.

CARDIO – RESPIRATORY SYSTEM  with regular aerobic EXERCISE the heart-lung system is able to deliver more and more oxygen to the active muscles.

HEART DISEASE AND RISK FACTORS  regular aerobic EXERCISE is very important in helping people control their blood pressure and blood lipid levels.  The risk of developing heart disease is doubled for inactive people as compared to active people.  However vigorous aerobic EXERCISE has been found to promote sudden death from heart attack,  so those at high risk ie people who smoke, have high blood pressure, high cholesterol levels and/or who have parents or siblings who have died before age 50 of heart disease, should have a thorough check-up and seek Doctor’s approval before starting an exercise program.

OBESITY  exercise is less important than diet in treating obesity, partly due to the fact that regular EXERCISE doesn’t decrease the appetite even though one may feel less like eating immediately after EXERCISE.  Obese people may risk injury to joints and muscles, cycling and swimming are recommended.

PSYCHOLOGY  people who engage in regular EXERCISE have increased feelings of vigor and self esteem with lowered feelings of anxiety and depression.  Sleeping better is not an obvious spin-off.  Some people can develop “Exercise addiction” despite feelings of chronic fatigue.

MUSCULO-SKELETAL  regular EXERCISE slows tendency to osteoporosis, excessive exercise can cause cessation of menstrual periods and thinning of the bones.

NUTRITION  in some athletes who EXERCISE vigorously for long periods of time, a mild iron deficiency can develop.

DIABETES  diabetics who EXERCISE have a better ability to control their blood glucose levels, however, some diabetics who require insulin injections, can develop very low blood glucose levels during exercise, leading to coma, if they don’t carefully balance their lifestyle habit.  This is why diabetics should consult with their Doctor before starting an EXERCISE program.

 

 

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