==Special Precautions of garlic==
* Patients taking anticoagulants should be cautious. It seems prudent to stop taking high dosages of garlic seven to 10 days before surgery because garlic can prolong bleeding time.*For some, garlic can be the cause of heartburn as well as flatulence.
==The benefits of garlic are==
Most of the modern research on garlic has concentrated on its ability to lower cholesterol and blood pressure as well as offering protection against strokes and heart disease. For example, when the Journal of the Royal College of Physicians reviewed data on cholesterol in 1993, it found that after just four weeks there was a 12 per cent reduction in cholesterol levels in the research groups that had taken garlic.