Curious about where your numbers stand? Use this hCG levels chart to see a range of what’s typical, keeping in mind that normal hCG levels can vary quite a bit. Even if your readings fall ...

They also had 2-3-fold lower mortality risk than those of “normal weight” but with ... as overweight or obese by the BMI chart, but at the population level, the metric is “pretty tightly ...

February is known for Valentine’s Day, but did you know it is also the American Heart Association’s Heart Health Month?

25."A man in his thirties was suddenly at the door. He was crunched over like he was having severe abdominal pain. He was ...

As new sea passages open up, the commercial and defence possibilities are becoming irresistible. To take advantage, America desperately needs ships ...

From counting steps and tracking workouts to monitoring sleep patterns and stress levels, the best Fitbit can help improve ...

Recently, we wrote about wild things that happened at hospitals that rival scenes from Grey's Anatomy, and now we're back for ...

One reason clinicians encourage parents to pay close attention to charts outlining typical development ... as a made-up diagnosis that pathologizes normal childhood behavior.

Carbon dioxide is essential for the growth of all green plants. The normal atmosphere level is currently about 400 parts per million (ppm) and has been rising over the past few years. Research has ...

Supplying pure oxygen ... level increases the blood’s oxygen-carrying capacity. This is because the lungs can gather much more oxygen in a pressurised environment than breathing pure oxygen at ...

He explains that sleep apnea, a condition disproportionately affecting Black men, disrupts normal oxygen levels, placing undue stress on the cardiovascular system. This chronic strain can lead to ...