Shocking study reveals smoking just two to five cigarettes daily doubles heart disease risk and increases death risk by 60%.

As vaping becomes more common in these same communities, a new form of nicotine use could be replacing one heart risk with ...

Cigarette smoking exposes you to nicotine and other chemicals that can increase your blood pressure and lead to hypertension. Learn why and what happens if you quit.

Bad habits such as smoking, heavy drinking and lack of exercise must be tackled as early as possible to boost the odds of a happy and healthy old age. Bad habits such as smoking, heavy drinking and ...

Most of us know about the harmful effects of smoking but did you know what happens when you quit? Dr Sood explains that your body starts repairing instantly.

New research suggests that while vaping can increase plaque and inflammation, its effects on gum disease remain unclear. Should vapers be worried? Here's what the latest science reveals. Study: The ...

Smoking cannabis can increase the risk of heart problems—but doing so and eating highly processed foods increases cardiac ...

Cannabis smoke and processed-food diets weaken the immune system, making it harder for the body to repair heart damage caused ...

Smoking can cause lungs to look blackened, inflated, and inflamed, but some of the damage is reversible. Depending on the extent of the damage, it could take years for your lungs to regain a healthy, ...

Sarah Todd returned to reporting in January 2025 after being assignment editor at STAT since October 2022. You can reach Sarah on Signal at sarahlizchar.47. In the earliest ads, Terrie Hall wears a ...