1.   Constant wetting makes nails soft and opaque, and chemical detergents and varnish removers Decrease levels of moisture in the nail.

2.   It Decreases our levels of tolerance and resilience.

3.   But tourists have flooded back to Egypt in recent years as a harsh government crackdown has sharply decreased the level of violence.

4.   Couples who acted less loving toward each other had decreased levels of disease-fighting antibodies and killer T-cells, which knock out invading viruses.

5.   Hostile behavior decreased levels of hormones associated with strengthening the immune system and raised levels of hormones associated with weakening it.

6.   If drugs could be developed to decrease ghrelin levels or block its action, they might help people lose weight, researchers say.

7.   Nine percent plan to decrease staffing levels.

8.   Research at three other universities shows that in animal studies cranberries decrease levels of total cholesterol and LDL, or bad cholesterol.

9.   Skipping a dose or taking it incorrectly could decrease the level of drug in the patients blood, and in turn would give HIV an opportunity to develop resistance.

10.   The report also urges reductions in mercury pollution in the air to help decrease mercury levels in fish.