Ultraviolet (UV) radiation from the sun is the number one cause of skin cancer, but UV light from tanning beds is just as harmful. Exposure to sunlight during the winter months puts you at the same risk as exposure during the summertime. Cumulative sun exposure causes mainly basal cell and squamous cell skin cancer, while episodes of severe blistering sunburns, usually before age 18, can cause melanoma later in life. Other less common causes are repeated X-ray exposure, scars from burns or disease, and occupational exposure to certain chemicals.
<span>Peter's
doctor calculated his body mass index (BMI) and determined that his
fat-to-lean tissue ratio was a bit too high. Which of the following
should Peter increase in his weekly schedule to specifically address
this issue?
C) Participating in cardiorespiratory activities
</span>
Vitamins are very important in the body. They are needed in certain processes in our body to function well and maintain a good health. They aid in improving our immune system, strengthening our bones and other good health indicators. The vitamins that are most imporant to be in the body are vitamins A, C, D, E, K, B1, B2, B3, pantothenic acid, biotin, vitamin B6, vitamin B12, and folic acid.
Body composition is important because a normal balance of body fat is associated with good health and longevity. Excess fat in relation to lean body mass, known as altered body composition, can greatly increase your risks to cardiovascular dis- ease, diabetes, and more.
