ScienceInsights

Orange juice calories vary by serving size, and knowing what you're actually drinking helps you enjoy it as part of a balanced diet.

Learn what healthy blood sugar levels look like for different ages, situations, and health conditions, including during pregnancy and with diabetes.

Carrots do support eye health, but not in the way most people think. Learn what the science actually says and where the myths came from.

Babies can start small sips of water around 6 months. Here's how much to offer, which cup to use, and what to expect as they grow.

Research shows average sex lasts 5–7 minutes. Here's what studies and surveys reveal about duration, partner preferences, and when to seek help.

Edibles can take 30 minutes to 2 hours to kick in. Learn why digestion affects timing and how to avoid taking too much too soon.

Genital burning can stem from many causes, including infections, irritants, or hormonal shifts. Learn what's behind it and when to see a doctor.

Poor sleep shifts your hormones, increases cravings, and pushes your body to store fat and burn muscle instead. Here's what the science says.

Yellowfin tuna has moderate mercury levels, making it safe for most people in reasonable amounts. Here's how much you can eat and what to watch for.

Anywhere from three times a day to three times a week can be normal. Learn what actually matters when it comes to healthy bowel habits.