You may have noticed a plethora of reels and posts on social media claiming cortisol “spikes” are harmful. Some warn against drinking coffee on an empty stomach or even doing certain exercises lest ...

Rising carbon dioxide levels are being detected within the human body, with new research warning a key blood marker for the gas could near its healthy limit within decades if current trends continue.

Obstructive sleep apnea induces a metabolic chain reaction that leads to increases in weight and blood sugar levels, among other unhealthy changes.

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.

Use of race-based reference equations in pulmonary function testing has led to thresholds for what qualifies as impairment in populations.

A dangerously high blood pressure reading for women is 180/120 mmHg or higher. Learn more about the health risks and when to seek emergency care.