The irritant behavior of onion, smell of garlic, pungent nature of capsicum and pepper are due to the presence ofspecific chemicals in them. Ginger contains phenolic and terpene compounds. Turmeric contains curcumin with anticancer properties. Better things for better living isachieved through polymers. Manyfurnitures, cushions and upholstery involve the use of petrochemicals which are central to our lives. Physiological functions of our body depend on pH. The colour of flowers also varies with change in pH of the soil.

Several harmful colourants also laid foot step in fruits and vegetables.Eritozin B dye is used in the processing of fruits and vegetables to have fresh appearance.Vegetables like lady finger are soaked in dye of similar colour (malachite green) to make them more attractive. Even the sizeof thevegetablescan be enlarged by injecting chemicals.

Calcium carbideand ethephonare used for artificial ripening of green fruits. The artificial ripening delays decay of fruits and provides attractive colour uniformly throughout resulting in stomach disorders. The manufacture of seedless fruits is achieved using chemical compounds by applying them in the flower buds.

The application of insecticides in the production and processing of fruits and vegetables protect them from pests and worms and resist early decay. Persistentbehavior and harmful effects of these insecticides lead to several illness. Cosmetic items, facial creams, nail polish, eye liners, mascaras, hair dyes and lipsticks are made from chemical substances.