In meditation your thoughts are brought to rest. From a medical point of view, meditation exercises are useful to relieve stress and hectic and to find inner peace. Other positive effects include decreasing blood pressure, cholesterol levels, a strengthened immune system, decreased pain, increased concentration, and mental flexibility.
Mental and physical health are closely linked. Through mental illness, diseases can manifest in the body. Meditation is an art, so beginners should not learn from books but under expert guidance.