Known as "nature's pharmacy" in ayurveda, neem is a type of evergreen tree whose leaves, bark, flowers, and fruit are used for medicinal purposes. Said to fight inflammation, relieve pain, and boost the immune system, neem is purported to alleviate common conditions like asthma and constipation. In addition, some proponents claim that neem can protect against major diseases like diabetes and heart disease.
In scientific studies, researchers have found that neem may help reduce plaque buildup and shield you from periodontal disease. There's also some evidence that neem may aid in the treatment of gastric ulcers. What's more, preliminary research suggests that neem shows promise in the prevention of cancer. However, due to a lack of clinical trials testing neem's anti-cancer effects in humans, it's too soon to recommend this herb for cancer defense. Read the full article: Neem - What You Need to Know.

In India Neem was used by our ancestors to brush their teeth even though it has a bitter taste . They knew its medicinal value. People with chickenpox are allowed to lay down on a bed made of neem leaves . They provide a cooling effect and they act as a herbal medicine against the virus.