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In obstructive lung disease, the FEV1 is reduced due to an obstruction of air escaping from the lungs. Thus, the FEV1/FVC ratio will be reduced. [4] More specifically, according to the National Institute for Clinical Excellence, the diagnosis of COPD is made when the FEV 1 /FVC ratio is less than 0.7 or [8] the FEV 1 is less than 75% of predicted; [9] however, other authoritative bodies have ...
Pre-exposure prophylaxis (PrEP), is the use of medications to prevent the spread of disease in people who have not yet been exposed to a disease-causing agent. Vaccination is the most commonly used form of pre-exposure prophylaxis; other forms of pre-exposure prophylaxis generally involve drug treatment, known as chemoprophylaxis.
In 2012, the World Health Organization (WHO) issued guidelines for PrEP and made similar recommendations for its use among men and transgender women who have sex with men. The WHO noted that "international scientific consensus is emerging that antiretroviral drugs, including PrEP, significantly reduce the risk of sexual acquisition and ...
The guidelines use new criteria to consider starting HAART, as described below. However, there remain a range of views on this subject and the decision of whether to commence treatment ultimately rests with the patient and his or her doctor. [citation needed] The US DHHS guidelines (published April 8, 2015) state: [citation needed]
The U.S. Preventative Services Task Force (USPSTF) has finalized new breast cancer screening guidelines for women ages 40 to 74. New Breast Cancer Screening Guidelines for Women 40 to 74: What to Know
FEV1 is the volume of air that can forcibly be blown out in first 1-second, after full inspiration. [13] Average values for FEV1 in healthy people depend mainly on sex and age, according to the diagram. Values of between 80% and 120% of the average value are considered normal. [14]
Women over 40 should get breast cancer screenings every other year, according to the U.S. Preventive Services Task Force. But some doctors think scans should be annual.
New breast cancer guidelines suggest women over 40 should screen once every other year. The pivot can help reduce increased cancer rates, and especially better protect Black women.