yoga, meditation and pranayama are preventive health management technics

i fully agree with you as it has also been proved scientifically.Yoga makes your strong from beneath thus increasing your resistence power to fight diseases.Pranayam helpes to cure many diseases.The main cause od disease is non uniform circulation of blood.By pranayam this problem is solved.Many results have been seen that by these technics many diseases have been cured without surgery and medicines.