Green tea products have become regarded as a valuable health supplement and studies have shown evidence of its benefit against a variety of diseases, including cancer.   In animal studies, an antioxidant compound in green tea called the EGCG polyphenol (epigallocatechin gallate) has been shown to be a potent anticancer agent, with effects demonstrated against leukemia, as well as lung, prostate, colon, and breast cancer. Among other properties, EGCG binds to a common protein in tumors called GRP78 (which is responsible for preventing cell death) and inhibits its function, thereby assisting in the death of tumor cells. 

Gardening can offer enough moderate physical activity to keep older adults in shape but Kansas State researchers writing in the journal HortScience say that among the other health benefits of gardening is keeping older hands strong and nimble.

"One of the things we found is that older adults who are gardeners have better hand strength and pinch force, which is a big concern as you age," said Candice Shoemaker, K-State professor of horticulture.

A study reveals that the severity of learning disorders may depend not only on the child's environment but also on the mother's environment when she was young.

The researchers studied the brain function of pre-adolescent mice with a genetically-created defect in memory. When these young mice were enriched by exposure to a stimulating environment – including novel objects, opportunities for social interaction and voluntary exercise – for two weeks, the memory defect was reversed. The work showed that this enhancement was remarkably long-lasting because it was passed on to the offspring even though the offspring had the same genetic mutation and were never exposed to an enriched environment. 

A new testosterone patch, designed to pep up a woman's flagging sex drive after womb and ovary removal, may not work, and its long term safety is not proven, says the Drug and Therapeutics Bulletin (DTB).

Intrinsa was recently licensed in the UK for the treatment of women, who have gone through the menopause as a result of womb and ovary removal, and who are subsequently experiencing a drop in sex drive.  The condition is referred to as hypoactive sexual desire disorder or HSDD for short.

There is some evidence to suggest that a fall in sex drive after the menopause might be linked to low levels of circulating testosterone.

A study by UC Davis researchers published in  Archives of Pediatric&Adolescent Medicine has found that most of the healthy children and teenagers in the United States who are taking daily vitamin and mineral supplements probably don't need them.  The study also found that the children who most need to take vitamins aren't getting them.

The idea of ecosystem services is a promising conservation concept but has been rarely put into practice. In  Frontiers in Ecology and the Environment, researchers have created a tool they say can report some of the first quantifiable results that place values on nature's services to humans.

Some of the best-described ecosystem services include pollination of crops, flood and storm protection, water filtration and recreation. The challenging part is translating these services into something with a measurable value. Economic valuation methods take changes in the supply of ecosystem services and translate these into changes in human welfare.