The blood flow velocity was significantly higher in the marijuana users than in the control subjects, both at the beginning of the study and after a month of abstinence from marijuana use. The marijuana users also had higher values on the pulsatility index (PI), which measures the amount of resistance to blood flow.
Coventry Health Care covers weight loss surgery if you meet the criteria set by the insurance company. Gastric bypass, lap band, gastric sleeve and duodenal switch surgery are covered if you meet the requirements.
Aetna Acquires Coventry Health Care, Inc. Aetna acquired Coventry Health Care, Inc. on May 7, 2013. As a combined company, we are now the third largest health care benefits company in America based on membership. We now serve an estimated 22 million medical members in the U.S. and around the world.