1 The results of prophylactic measures for femoral head AVN have considerable variation, but certain generalizations can safely be stated. 2  Namely, the clinical results of core decompression alone deteriorate with more advanced lesions.
1 Melasma is very common skin ailment. It can occur to anyone, but young women with brownish tone are more likely to contract with it.  The condition is often linked with female hormonal changes. Change in level of estrogen and progesterone may cause melasma.
Melatonin is a hormone that the body produces naturally to help regulate sleep-cycle functions. Supplementing the body with extra melatonin may cause long-term side effects. Continuous Disruption of the Sleep Cycle Melatonin is produced by the pineal gland.