Three out of four Americans believe marijuana will one day be legal to buy and use anywhere in the United States, according to a public opinion poll released Wednesday.

Fifty-four percent of respondents to the Pew Research Center survey said marijuana should be legalized, compared to 42 percent who were opposed, the Washington-based pollsters reported.

Being slimmer could be as simple as waking up early for some morning sunshine, U.S. researchers suggested on Wednesday.

A small study of 54 volunteers showed that the leanest ones did not necessarily eat better or exercise more than the rest. They simply were exposed to more bright daylight earlier in the day.

More than 800,000 people lack adequate healthcare in strife-torn western Myanmar after aid workers fled the region, the U.N. has warned, with children deprived of life-saving treatment.

A wave of attacks against humanitarian workers in Rakhine state has choked off health, water and food supplies to isolated communities and camps for people displaced by deadly sectarian violence.

High air pollution levels across England prompted the government to issue health warnings on Wednesday.

The pollution, a mix of local and European emissions and dust from the Sahara, was forecast to be highest in southeast England, central England and Wales.

Men with erectile dysfunction may see improvements in their sexual ability while taking cholesterol-lowering drugs, according to research out Saturday.

In the study presented at the American College of Cardiology conference, experts performed a meta-analysis on 11 previous randomized, controlled studies on erectile dysfunction and statins.

Britons should eat seven portions of fresh fruit and vegetables a day, according to new research into healthy eating, published on Tuesday.

The state-run National Health Service currently recommends each person eats five 80-gramme (three-ounce) helpings of fruit and vegetables daily.

Grimacing, Mustafa Ahmad slid the scarred stump just below his right knee into his new prosthetic leg. Extending his arms for balance, he slowly rose and hobbled across the packed dirt floor toward the door of his ramshackle tent.

Wild-haired children peered through a gap in the plastic sheet that serves as the wall of his tent, trying to catch a glimpse of the procedure that finally fitted Ahmad with a prosthesis, more than two years after losing his leg during a bombing raid on his hometown in northern Syria.

The White House said Tuesday it had reached its target of signing up seven million people to new insurance plans under President Barack Obama's health care law.

"I think it is fair to say we surpassed everybody's expectations," spokesman Jay Carney said, noting that 7,041,000 people had signed up before a midnight deadline.

Saudi Arabia on Tuesday announced the suspension of visas for Muslim pilgrims from Guinea and Liberia, two African countries hit by an outbreak of the deadly Ebola epidemic.

The "preventive" measure came at the request of the Saudi health ministry "due to the danger of the disease and its highly contagious" nature, state news agency SPA reported.

The consul of Guinea in Lebanon, Ali Saade, confirmed on Tuesday that no Lebanese expatriates in Guinea were infected with the Ebola virus suspected of killing dozens in the African country, the state-run National News Agency reported.

“There are no Lebanese expatriates living in the highly infected Guinean areas. Most of them live in the Capital Conakry where the total number of infections with the Ebola virus are limited to 4 cases that are meanwhile subject to treatment,” said the Consul.