Effects of Bad Exercise Habits
...involved in defending the body from infections in the mouth and nose. It found that secretory rate of IgA was significantly lower in the morning than the evening. To conclude, the best time to train is in the evening when cortisol levels are lower and salivary flow rate peaks. It is also said that early morning sessions should be avoided by those who are close to a period of important competition, when stress levels are higher, or those training at altitude, which depresses the immune system. Exercise is sometimes called a two-edged sword; it can simultaneously increase the short-term risk of sudden death (due to underlying coronary artery disease) and also offer protection from this risk in those who regularly engage in exercise. Old-timer hockey players, take note. If you have high cholesterol and high blood pressure, are a smoker and haven’t played since last year, stay home. The risk of having a heart attack increases with vigorous exercise, particularly in people who are not used to regular exercise. As the heart rate and blood pressure go up faster, the flight or fright hormones are circulated, and the blood platelets become sticky. The risk of dying after vigorous exercise is relatively small, but if you’re not used to regular exercise, it may indeed be very high. At any age it is better to get into shape gradually. Some popular stretches and weight lifting techniques may be the cause for back pain and muscle strains. Some stretches included on the Bad Exercise Hit List are sit-ups, sit and reach, stiff leg rise, the knee stretch, hurdler’s stretch, and even toe-touching. Sit-ups are controversial; some researches say that they cause lower back problems in later life. The other stretches cause harm to the sciatic...