It protects against cancer by detoxifying potent carcinogens. Garlic also contains anticoagulants, chemicals that help keep the blood from clotting. This helps prevent blood clots and strokes, and lowers cholesterol. Depending on the study and form of garlic used, the herb may lower total cholesterol by 6 percent to 12 percent. But other studies show no change in cholesterol levels.
Researchers continue to study the health benefits of garlic.
The consensus is that one clove of raw garlic a day may have positive effects on health. Cooking garlic may render it less potent. There are still questions about the proper dosage, potency and efficacy of various dried, aged, or deodorized garlic preparations. Whatever its benefits, garlic makes you smell. Its oils permeate lung tissue, so it can remain noticeable on the breath and even on the skin.