Health Expert Dr. William Davis shares health management news and commentary at HealthCentral.com. HealthCentral.com is one of the top health destinations on the Web, with more than 35 condition-specific, wellness and general health Web properties. http://www.healthcentral.com/profiles/c/58370/index http://www.healthcentral.com/profiles/c/58370/rss self application/xml en-us 15 120 19 http://www.healthcentral.com/images/hc_logo_sm.gif http://www.healthcentral.com/profiles/c/58370/index http://www.healthcentral.com/high-blood-pressure/c/58370/110775/pulse Mon, 03 May 2010 11:15:00 -0400 Dr. William Davis What is pulse pressure and why are people talking about it?   Pulse pressure refers to the difference between the systolic (top) and diastolic (bottom) blood pressure. If your blood pressure (BP) is 120/80, for instance, your pulse pressure is 120 - 80 = 40 mmHg. A pulse pressure of 40 mmHg is normal.     Why does this matter? Does it add important information beyond knowing just your systolic and diastolic... http://www.healthcentral.com/high-blood-pressure/c/58370/110775/pulse http://www.healthcentral.com/high-blood-pressure/c/58370/54874/line Thu, 08 Jan 2009 10:46:00 -0500 Dr. William Davis Thiazide diuretics, like hydrochlorothiazide and chlorthalidone, are extremely popular medications, often regarded as first-line agents in treatment of blood pressure. When someone is first diagnosed with high blood pressure (hypertension), they are often first placed on a thiazide diuretic. Alternatively, thiazide diuretics are frequently added to other blood pressure-reducing agents to further reduce blood pressure.   This practice... http://www.healthcentral.com/high-blood-pressure/c/58370/54874/line http://www.healthcentral.com/high-blood-pressure/c/58370/29022/unique Tue, 27 May 2008 10:23:00 -0400 Dr. William Davis Melatonin is a sleep hormone, produced by the pineal gland seated deep inside the brain, as well as other parts of the body, such as the gastrointestinal tract. For years, melatonin has been recognized as a regulator of circadian rhythms, the natural cycle of sleep and wakefulness that has allowed humans to inhabit the earth in phase with the cycles of night and day.   Exposure of the retina (in the back of the eye) to light... http://www.healthcentral.com/high-blood-pressure/c/58370/29022/unique http://www.healthcentral.com/high-blood-pressure/c/58370/16008/blood Wed, 07 Nov 2007 12:00:00 -0500 Dr. William Davis An exhaustive review of health records of 443,632 veterans nationwide reported by Ross D. Fletcher, MD, of the VA Medical Center in Washington, D.C. revealed that blood pressures are higher in winter. Dr. Fletcher reported his findings at the American Heart Association meetings in Orlando, Florida.  Dr. Fletcher's study involved electronic records of veterans from Anchorage, Alaska, Washington, DC, Philadelphia, Chicago, Minneapolis,... http://www.healthcentral.com/high-blood-pressure/c/58370/16008/blood