Apparently so, according to a study that reveals how supplements of vitamin C reduce vasoconstriction in overweight individuals who, because of an increased tendency to this problem, have an elevated risk of cardiovascular ailments.

The aim of the study was to investigate the effect of vitamin C and exercise on a protein called endothelin-1, which has a vasoconstrictive effect. Overweight people have elevated levels of this protein, causing constriction of the small blood vessels and, subsequently, impairment of blood flow and circulation with an increased risk for cardiovascular disease.

Moaning and sweating - that is what it takes if you want to live a long life. If you want to grow old you should use your energy on exercising instead of worrying about weighing a few pounds too much.

A recent American study shows that the key to old age is physical activity. The research results are based on a study where scientists followed 2,600 Americans over a period of 60 years. Their conclusion is unambiguous:

It is commonly known that vitamin D plays a vital role for our bones and immune system, and there is even evidence that vitamin D also plays a role in the functioning of our lungs, heart, and muscles. According to a new study, blood levels of vitamin D are determining for how well we utilize our oxygen, and that affects our training capacity and lifespan. The study is published in European Journal of Preventive Cardiology.