Why not take medicines regularly, effects on body: Medicines have become a vital part of our life because everyone needs them at least once in the life. Medicines are there to fight the illnesses and improve our health, but if you misuse or on regular medication then your health is considerably damaged and have many allergic reactions, especially those used over a long period of time, can have side-effects on, hair, skin teeth, nails and body shape, affecting your entire appearance.