Common Signs and Symptoms of Drug Abusers at Workplace

Drug abusers at workplace cost billions of dollars to the employer in the form of increased liability, compensation benefits, insurance premiums, medical claims, sick leave payment, etc. To avoid these costs the employer should implement drug testing programs at both pre-employment process and post employment process. Conducting drug testing programs helps ensure the workplace is free from drugs.

Importance of Vitamin D in Oral Health

Studies show vitamin D acts as a resistant to dental caries. Researchers found very less incidence of tooth cavities in the children who are more exposed to sunlight than those who are not so. Sunlight is a natural source of vitamin D. This vitamin is essential as it helps in absorbing calcium from the food we eat. If vitamin D intake is low, calcium absorption is lower and the bones and teeth become weak.

Solving Your Car’s Brake Squeal

When the brake pad against the caliper piston is not properly fit, the friction material has a problem, or gone, the brakes will squeal. The squealing is the result of high frequency vibration among the brake rotor, the caliper piston and the pad in either of the cases. Some vehicles come with the squeal problems directly from the manufacturer or factory. In these cases manufacturer simply change the brake pad to cure the problem. Because there are different harmonic frequencies for different pads.