The medical ingredient retinol is also known as retin A and retinoid and is a derivative of vitamin A. This potent substance is used in many cosmetic and pharmaceutical skin creams, gels, lotions and ointments for its skin exfoliating and rejuvenating effects.

Your body is about two-thirds water. Dehydration reduces the amount of water in your body. Severe dehydration can lower blood pressure and the amount of oxygen available to your cells, which may lead to coma and death.

A malt beverage is an alcoholic or nonalcoholic fermented beverage made from barley. Malt beverages include beer, ale, stout and porter. Having a frosty glass of beer on a hot day may cool you down, but it can also raise your blood pressure.

Roses fend off predators with thorns, but tobacco plants protect their huge leaves with a more lethal, yet invisible, defense -- nicotine. Naturally occurring in tobacco, the chemical nicotine rapidly hijacks the nervous systems of insects and animals that would dare munch on it.

With cholesterol, just like in any movie or TV show, there's good guys and bad guys. LDL, or low-density lipoprotein, cholesterol contributes to plaque that can clog your arteries. If a clot occurs, you could suffer from a heart attack or stroke.

Skin cleansers are essential in any good skincare regimen for removing surface debris like dirt or makeup and also helping to get rid of excess oil that can clog your pores. Unfortunately, some facial cleansers contain alcohol.

Collagen is the most common protein in the human body, comprising about 30 percent of the body's total protein content, according to Medical News Today. Collagen offers a wide variety of skin benefits, but the benefits vary depending upon environmental factors and how your body accesses collagen.

Red and irritated skin, small-scale rashes or even blackheads are likely temporary conditions in your toddler. Breastfeeding toddlers may develop skin reactions to foods or medications which the mother has consumed.

If diabetes runs in your family or your doctor discovers warning signs that you might develop the condition, your diet is more important than ever. Cream of Wheat, a hot cereal made from farina, also known as ground wheat, is likely a better breakfast choice than chocolate donuts or sugary pastries.

Enjoy spaghetti as a versatile food that goes with a variety of sauces and toppings. Prepare spaghetti simply by tossing it with garlic and olive oil, or create a more elaborate dish with tomato sauce, Parmesan cheese and fresh garden vegetables.

Bronchitis can be painful and difficult to treat. The ginger rhizome is a well-known traditional remedy for coughs, cold and flu, and may help boost your immune system and soothe a sore throat, tight chest and cough, the symptoms common to bronchitis.

There is a fine line between lengthening muscles by gently stretching them, and elongating them to the point of triggering the stretch reflex, a protective response that contracts the muscle, causing the undesirable effect of tightening the targeted muscle.