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.
It's buying Coventry Health Care for more than $5.5 billion. Now, if you want to know why, consider the changing landscape in which Aetna does business. Medicaid is expanding under President Obama's health care law, Medicare is expanding as Americans grow older, and those government-run plans include many opportunities for private insurance companies.