Menu Close

encyclopedia

Varicose Veins

Varicose veins are swollen, twisted veins that you can see just under the skin. They usually occur in the legs, but also can form in…

Vegetarian Diet

A vegetarian diet focuses on plants for food. These include fruits, vegetables, dried beans and peas, grains, seeds and nuts. There is no single type…

venoms

Venom refers to a toxic substance that is injected into a victim through the bite, sting, or other specialized structures of venomous animals. Venoms are…

Vertebra

In the vertebrate spinal column, each vertebra is an irregular bone with a complex structure composed of bone and some hyaline cartilage, the proportions of…

Viagra

Sildenafil, sold under the brand name Viagra, among others, is a medication used to treat erectile dysfunction and pulmonary arterial hypertension. It is also sometimes…

Vitamin A

Vitamin A plays a role in your Vision Bone growth Reproduction Cell functions Immune system Vitamin A is an antioxidant. It can come from plant…

Vitamin B12

Vitamin B12, vitamin B12 or vitamin B-12, also called cobalamin, is a water-soluble vitamin that has a key role in the normal functioning of the…

Vitamin C

Vitamin C is an antioxidant. It is important for your skin, bones, and connective tissue. It promotes healing and helps the body absorb iron. Vitamin…

vitamin D

Vitamin D

Vitamin D helps your body absorb calcium. What is Vitamin D ? Calcium is one of the main building blocks of bone. A lack of…

Vitamin E

Vitamin E is an antioxidant. It plays a role in your immune system and metabolic processes. Good sources of vitamin E include Vegetable oils Margarine…

Vitamin K

Vitamin K helps your body by making proteins for healthy bones and tissues. It also makes proteins for blood clotting. If you don’t have enough…

Vitamins

Vitamins are substances that your body needs to grow and develop normally. There are 13 vitamins your body needs. They are Vitamin A B vitamins…