Smoking tobacco is so harmful to the body that it changes a person's immune system, leaving them vulnerable to more disease and infection even years after they've quit, a new study found.Video above: ...

When a wildfire rages, the flames aren't the only threat. The smoke poses its own risks. Fine particles and harmful chemicals can get into your lungs and bring on a number of health problems. Some ...

Exposure to wood smoke can have different effects on the respiratory immune systems of men and women -- effects that may be obscured when data from men and women are lumped together, according to a ...

Smoking is one of the most damaging habits for overall health, and your skin is no exception. The World Health Organisation (WHO) reports that smoking kills over 8 million people each year, with ...

The smoke from the Northern California wildfires spread throughout the Bay Area, raising questions about the long-term health impacts. Photo by Tayfun Coskun/Getty Images As the deadly wildfires that ...

Almond trees bloom in mid- to late February in Central California, and it’s a big deal — pollinating them is the largest managed pollination event in the world. Some 1.4 million beehives come to the ...

This summer, millions of people across the eastern U.S. woke up one June morning to apocalyptic orange skies and thick, choking wildfire smoke. Over the summer, massive Canadian wildfires blanketed ...

Researchers say e-cigarettes and tobacco cigarettes have similar negative health effects on a person’s cardiovascular system. They add that smoking and vaping at the same time have even serious ...

The skin can absorb nicotine from cigarettes. This may cause adverse effects such as premature skin aging, delayed wound healing, and increased infections. It may also lead to skin diseases like ...

Middle-aged women from more deprived backgrounds in Great Britain are significantly more likely to smoke and face greater challenges when trying to quit, according to a new study from researchers at ...