A red ant sting typically causes burning sensation, itchiness and leads to blisters. If you have ant hills in your surroundings, like your garden or while on a trek, as a preventive measure, dust your exposed body parts with talcum powder to keep ants away...

Eye sty, also medically known as a hordeolum, is a painful and pimple-like infection occurring on the eyelid, caused by the staphylococcal bacteria when they get trapped inside an eyelash follicle or a tear duct. Most sties disappear in a day or two, and do not have a long-lasting damage, but it's always better to expedite the healing process so that they don't spread to the other parts of the eye or even other people...

The only reason for all the three problems that you mention above is smoking. And the only thing that can really help you is giving up smoking...

Potato contains bleaching agents, which can help lighten the dark tone of the skin under the eyes. So applying potato regularly on the dark circles will reduce the problem considerably...

Metallic taste in the mouth is a condition in which the person feels as though she has something very sour and acidic in her mouth, even when she has not eaten anything. The continuous presence of this bitter feeling inside the mouth is often accompanied by bad breath, which is caused because of the insufficient production of saliva by the glands inside the mouth...

Pinworms commonly affect children. These worms can live only in the human intestine where they lay eggs...

The outer layer of human skin (epidermis) is directly exposed to various environmental elements like heat, light, moisture, as well as to mechanical wear and tear. The epidermis peels off naturally roughly over a period of one month and is replaced by a layer of new skin...

The medical term for poor blood circulation in legs is peripheral vascular disease (PVD). This affects older people more commonly, as over time the accumulation of plaque along the walls of the blood vessels on the periphery of the heart causes the hardening of their walls and consequently improper blood circulation to the limbs...

When the skin fails to retain enough moisture it feels dry and stretched. This occurs when the oil glands beneath the skin produce an inadequate amount of sebum, which is the natural oil responsible for moisturizing the skin and keeping it soft and supple...

A persistent foul, metallic taste in the mouth is a medical condition known as Dysgeusia. In this condition, your mouth has a constant bitter, acidic taste which lingers throughout the day, even when you are not eating something...