Most allergic reactions are only mild to moderate and can effectively be treated with antihistamines. But other reactions can be life-threatening and require emergency medical treatment.

The most severe allergic reactions are known as anaphylaxis, and people who suffer from it should have ...

Indigo is as an antibacterial known to strengthen the immune system and fight common colds when ingested. It can be extracted by powdering the plant's root, flower and even seeds. Superfood indigo is consumed in teas, salts, and even raw powdered indigo sprinkled on sweets, spices, and smoothies....

When a virus enters the body, it's quickly detected as a foreign invader. The immune system responds by tagging these viral cells with an "eat me" signal. This signal alerts the body's defense cells to identify and destroy the invaders. White blood cells, such as macropha...