Shutter Speed s. Many of today's SLR camera s offer action-stopping shutter speed s of 1/2000 sec. or faster. None of the point-and-shoot models come close, although some do offer speed s fast enough to stop most action.
According to the National Institute of Health, research suggests that taking between 20 to 50 milligrams of DHEA supplements daily should be sufficient and safe for most adults over the age of 30. Individual needs will vary, but less is usually better, especially at first.
According to Marcelle Pick, a nurse practitioner and founder of the Maine-based Women to Women Clinic, normal daily ranges of DHEA in women run around 25 mg. When your body does not produce enough DHEA as you get older, you might suffer from some unpleasant symptoms.