The answer is to exercise correctly and appropriately, and making certain you have adequate recovery, which can be as important as the exercise itself. Part and parcel of a healthy exercise regimen is variety, but beyond that, there's now overwhelming evidence indicating that conventional cardio or long-distance running is one of the worst forms of exercise there is. Not only have other studies confirmed the disturbing findings above, but they've also concluded it's one of the least efficient forms of exercise. The exercise routine which includes high intensity cardio, strength training and functional training are the best result oriented.
Exercise and Common Cold:
Regular exercise appears to have the advantage of being able to jump-start the immune system, and that can help reduce the number of colds you get. With exercise, the number and aggressiveness of certain immune cells, such as the ones called natural killer cells, increase by as much as 50% to 300%. If you exercise regularly, this temporary increase can help make the immune system more efficient at destroying intruders that cause illness such as colds.
Some findings report that moderate intensity exercise -- daily 20 to 30 minute walks, going to the gym every other day, or biking with kids a few times a week -- may reduce the number of colds you get.
Selenium for Male Fertility:
A study conducted at the University of Padua in Italy and published in the Journal Science states that a diet low in selenium could be a cause of male infertility. Selenium acts to help prevent oxidation of the sperm cell, thus aiding in maintaining sperm cell integrity. Good sources of selenium can be found in red meat, liver and seafood. The recommended dietary allowance (RDA) for selenium is 70 mcg daily for an adult male. Works best in conjunction with Vitamin E.
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