Bouncing a regular ball back and forth may not be much of a workout, but just try it with a reaction ball! Reaction balls are six-sided, so they bounce unpredictably. You never know if you're going to be darting to the left or the right in order to catch it.

Try standing 3-4 feet from a partner and bouncing a reaction ball toward your partner. The object is to catch the ball after only one bounce. It may not sound hard, but you'll find yourself darting back and forth and moving quickly in order to catch the ball. If you want to make it even more challenging, just back up a bit.

Not only is it a fun, effective workout. Playing with a reaction ball helps you improve your hand-eye coordination and increases your reaction time -- beneficial skills for any sport. You can also practice by yourself, by bouncing a reaction ball against a wall. Try it with your kids, too ... it's sure to be a hit!

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Sleep deprivation is unhealthy. Get four hours of sleep or less per night for 12 consecutive nights, and you're more likely to suffer lack of coordination, judgment, and reaction time; experience crummy moods; feel body pain; and even gain weight.

For all you sleepy heads who can't seem to get a wink of slumber, these tips are for you.

• Sip on some chamomile tea. It contains glycine, a chemical that acts as a mild sedative and muscle relaxant. Drink this potion an hour or more before bedtime if nighttime trips to the bathroom are a problem.

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Cosmetic medical procedures are becoming more and more commonplace everyday as technology advances, but there are still serious risks associated with even the simplest of procedures. Permanent makeup, which is basically just tattoos, is one that can easily have serious and devastating side effects. Studies have shown that certain shades of the tattoo ink used for permanent makeup cause allergic reactions in a significant number of patients, with redness, swelling, and even permanent bumps in the skin called granulomas resulting. The especially scary part is that it's possible to develop an allergy to the pigment at any time -- even in a tattoo you've had for years!

I for one would never want something permanent like this on my face, with or without the chance for nasty side effects, but for those who like the idea -- is it worth the risk?

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Although pleurisy is most commonly caused by viral infections, other underlying diseases can cause it such as pneumonia and tuberculosis, and other diseases such as systemic lupus erythematosus (lupus), rheumatoid arthritis, cancer, liver and kidney disease, heart failure and pulmonary embolism. Other causes include chest injuries and drug reactions.

Pleurisy, also called pleuritis, is an inflammation of the pleura, which is the moist, double layered membrane that surrounds the lungs and lines the rib cage. The condition can make breathing extremely painful, and sometimes it is associated with another condition called pleural effusion where excess fluid fills the area between the membrane's layers.

The pain of pleurisy is usually treated with analgesic and anti-inflammatory drugs, such as acetaminophen, ibuprofen, and indomethacin. Pleurisy from a bacterial infection can be successfully treated with antibiotics, while no treatment is given for viral infections that must run their course. Alternative treatments can be used to help heal pleurisy. Acupuncture and botanical medicines are alternative approaches for relieving pain and breathing problems. An herbal remedy commonly recommended is Asclepias tuberosa otherwise known as pleurisy root. It got that name by early American settlers who learned of this medicinal plant from Native Americans. Pleurisy root helps to ease pain, inflammation, and breathing difficulties brought on by pleurisy.

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