Ayurveda certainly has a rich history behind it, but the problem with it, or any alternative medicine is accountability. You will find that the quacks outnumber genuine practitioners and there's a lack of standards and certifications to guarantee the nature and effects of the medicine. Exercise, a healthy diet and avoiding alcohol and cigarettes are some good practices to avoid taking medicines. But stay away from self-supplementing with DHEA, Ginseng, L-Arginine and many such ingredients as they can potenially impact blood pressure. Some ‘natural medications’ have also been known to include PDE5 inhibitors, medications in the same class as prescription erectile dysfunction drugs like Viagra.