From the air to our blood ...

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 ...

ILOILO CITY — Major irrigation dams in Aklan and Capiz remained within normal operating levels as of 3 p.m. on Tuesday, February 10, even as a shear line continues to affect Western Visayas, bringing ...

A new study suggests rising carbon-dioxide levels may be slowly changing human blood chemistry and could impact long term ...

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.

Add Yahoo as a preferred source to see more of our stories on Google. Cruise lines are taking precautions or canceling sailings in Mexico. The State Department says some areas have returned to normal ...

Oxygen is critical to life. When levels of oxygen change, it can have immediate and lasting impacts on a person's health.

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

While blood lead levels on average have improved in Port Pirie's children, levels in the youngest residents are at a decade high. SA Health says the prolonged drought could be partly to blame for the ...

Thyroid level tests, including thyroid-stimulating hormone (TSH) and free T4, help diagnose underactive or overactive thyroid. Doctors may also check free T3, calcitonin, thyroglobulin, or thyroid ...

The developer faces the prospect of more rate rises cooling the market, but chief executive Campbell Hanan said strong ­momentum in the first half of the financial year had put the business in good ...

Snowpack levels across a wide swath of western US states are among the lowest seen in decades, even as regulators struggle to negotiate water rights in the region. “Barring a genuinely miraculous ...