Nighttime drops in ocean oxygen raise energy use in small reef fish. Repeated stress could affect reef health as oceans warm.

On the world’s highest battlefields, the enemy is often thin air, brutal cold, and a body that is always one mistake away from shutting down.

Scientists have long known that people living at high altitudes, where oxygen levels are low, have lower rates of diabetes ...

A 91-year-old man with a history of bladder carcinoma and left total knee arthroplasty was evaluated because of left knee pain. A culture of synovial fluid showed no growth. A diagnosis was made.

Owlet’s smart baby monitor package helped me gain confidence as a new dad ...

Subtle changes in how blood flows through the brain and how brain tissue uses oxygen may be closely linked to Alzheimer's ...

Objectives Rising patient numbers and limited resources are creating a challenging environment for healthcare providers recently. Anaesthesiologists are also increasingly faced with complex situations ...

A better understanding of plant science leads to smarter greenhouse decisions relating to rootzone, fertigation, climate, and crop timing.

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Cortisol spikes are not something you need to fear. In fact, cortisol rhythms – which involve some ups and some downs – are ...

Feel tired, foggy, or irritable after eating? Learn how blood sugar spikes can happen even with a normal A1C — and what to do about them.

Learn how caffeine affects brain chemicals and health, sleep, and mood. Understand safe daily limits, hidden sources, and signs you’re getting too much.