(Berkeley Lovelace Jr./ NBC News) — Air quality advisories were in effect for 110 million people in the United States on Wednesday morning, ranging from New Hampshire to South Carolina and covering the Northeast, including Boston, New York City and Philadelphia.

In the Northeast, the poor air quality is the result of wildfires  …

(Ann Pietrangelo/ Healthline) — While some people with breast cancer may experience breast pain, it’s not a typical sign or symptom of breast cancer. Treatment for breast cancer and any breast cancer that has spread from the breast may cause pain in other parts of the body.

This article discusses how and when breast cancer  …

(Natalie Parletta/ The Guardian) — As sure as the sun sets each day, every woman who enters her fifth decade will experience menopause, if she hasn’t hit it already. For this new life stage, the ovaries run out of eggs and no longer need to produce the hormones that prepare our bodies for making babies. But the effects  …

(Jen Christensen/ CNN Health) — If your parents or grandparents ask you how to post on Instagram or how to send a birthday message to a Facebook friend, a new study suggests you might want to help them – not just to be nice but because getting them online may help their brain health, too.

A study published Wednesday  …

(Robin Roberts/ Healthing) — According to Lupus Canada , lupus is a chronic autoimmune disease that manifests in inflammation in one or more parts of the body. Symptoms vary from person to person but can include joint pain, extreme fatigue, rash, chest pain, weight gain and headache — which is why it’s referred to   …

(Corrie Pelc/ Medical News Today) — Each year, about 200,000 people in the United States are affected by an abdominal aortic aneurysm (AAA).

An AAA occurs when the walls of the main artery that runs through the abdomen — the abdominal aortaTrusted Source — weaken,   …

(Stephanie Wareham/ Wales Online) — Ovarian cancer is the sixth most-common cancer in the UK, with around 7,500 cases diagnosed each year. Sadly, more than 75 per cent of these cases are diagnosed at stage three or later, when the cancer has already spread into the abdomen or beyond, earning the disease the nickname “the  …

(Corrie Pelc/ Medical News Today) — Gum disease — clinically known as periodontal disease or periodontitis — affects almost half of all adults ages 30 years or older.

Common treatments for periodontal disease include scaling, where a dentist cleans teeth below the gum surface, antibiotic  …

(Hannah Devlin/ The Guardian) — Women will be given a potential new treatment for endometriosis in a groundbreaking clinical trial that doctors hope will pave the way for the first new class of drug for the condition in 40 years.

The trial will involve 100 women in Edinburgh and London and will assess whether the drug, dichloroacetate,  …