Fox Health

The Food and Drug Administration is warning about the risk of reactivation of hepatitis B among patients who have had that disease and who are taking some prominent and expensive newer medicines for hepatitis C. The federal agency said it is requiring a so-called black-box warning in the labels for at least nine brand-name direct-acting antiviral drugs, including Sovaldi and Harvoni from Gilead Sciences Inc., Viekira Pak from AbbVie Inc.

Wearing a fitness tracker may help you keep tabs on how many steps you take, but the devices themselves — even with the lure of a cash reward — probably won't improve your health, according to the biggest study yet done on the trendy technology.

For many women, trying to get pregnant can be a frustrating process that feels out of their control.

When Maddie Demers’ rare metastatic bone cancer stopped responding to conventional chemotherapy in June, her oncologist advised the young girl’s parents, Barbie and Mike, to put her under hospice care.

My name is Blaine Sumner, but most people call me the “Vanilla Gorilla.”

Once you've found the right cancer doctor and team, you may find yourself needing or wanting a second opinion.

A new Utah father said Tuesday a hospital charged him to hold his baby after his wife gave birth last month.

The consumer advocacy group the Center for Science in the Public Interest (CSPI) is suing PepsiCo on behalf of disgruntled customers, claiming the company’s popular Naked Juice packaging exaggerates the products’ health benefits.

When Jacqueline Elbaz laced up to train for her first marathon, she assumed amping up her running routine would help her shed pounds.

Heath officials say Genesee County, which includes the city of Flint, has seen dozens of cases of a highly contagious gastrointestinal illness this year.

Johnson & Johnson is telling patients that it has learned of a security vulnerability in one of its insulin pumps that a hacker could exploit to overdose diabetic patients with insulin, though it describes the risk as low.

Kyle and Kendall James were already close in age, but the Georgia siblings are now even more tight-knit after Kendall donated blood marrow to Kyle, saving her younger brother’s life.

Michael Cox and Taylor Anderton just want to tie the knot, have four kids, and enjoy the rest of their lives together, but their families are balking at the second part of the young Australian couple's plan.

Lucinda Smith, a 43-year-old attorney and mother of two in the United Kingdom, was gardening in March of last year when she suffered a minor scrape on her hand.

Children appear to be highly susceptible to the stress of trauma on a biological level, according to a study published in the Proceedings of the National Academy of Sciences.

The Food and Drug Administration (FDA) is warning consumers against consuming shell eggs distributed by Good Earth Egg Company after eight people in three U.S. states have reported illness that officials have determined is caused by salmonella Oranienburg.

The Centers for Disease Control and Prevention (CDC) is warning against a polio-like illness that is causing paralysis among an increasing number of Americans.

In late September, a deadly snake bit a 2-year-old Australian boy, sending him into cardiac arrest.

A widely supported web-based risk test suggests that 8 out of 10 people aged 60 years and older in the U.S. are at high risk for so-called prediabetes - but it may not be helpful to label so many people as "high risk," researchers say.

Children that visit alternative medical practitioners like acupuncturists and chiropractors may be less likely to receive flu shots than their peers, a U.S. study suggests.