Sens. John Cary (D-Mass.) and Gordon Smith (R-Ore.), are proposing a bill that would fight Aids in other countries and at the same time lift a two-decade-long ban on visitors to the U.S. with HIV. Other countries that have the same ban include Sudan, Saudi Arabia, Libya and Russia.

Kerry, the co-author of the bill, pointed out that China has amended its policy and challenged the U.S. to "move beyond an antiquated, knee-jerk reaction" to persons with HIV

Four million Canadians do not have a regular physician, indicating the acute lack of doctors in the country.

The Canada Community Health Survey of Statistics Canada released Wednesday said 86 percent of those born in Canada or have been in the country for at least 5 years have a regular doctor who oversees their medical needs, while only 65 percent of recent immigrants have one

The levels of tetrahydracannibinol (THC) in marijuana have reached a 30-year high, almost double the reading taken in 1983, a new study has revealed, raising concerns that the drug could now be more effective at triggering the changes in the brain that can lead to addiction.

A study conducted at the University of Mississippi revealed that the active ingredient in marijuana has risen over the decades. THC - the psychoactive ingredient in marijuana-has reached the highest-ever amounts since scientific analysis of the drug began in the late 1970s, according to a press release published by the Office of National Drug Control Policy

The ease of committing health care fraud has caused false medical claims to top $60 billion annually.

Con artists find it easy to commit fraud because Medicare's system automatically pays the bulk of the bills it received if the claim has a supplier number issued by the federal government. The situation is compounded by the focus of software and audit systems on overbilling and unusual medical procedures instead of fraudulent claims

While the number of adults in Massachusetts without health insurance coverage dipped by almost 50 percent, at least 5 percent of the state's residents are uninsured, according to a study released Tuesday.

The study sought to review the progress of the two-year old state law. Findings indicated 71 percent of Massachusetts residents agree with the law