Spending time in nature is important for your mental health. But studies show that even just listening to birds singing can ease symptoms of anxiety and depression. A European robin, Erithacus ...

Vitamin D deficiency is common among general population and in patients with PHPT. Studies in secondary hyperparathyroidism (SHPT) have shown that parathyroid hormone (PTH) response is affected by age ...

As spring begins, so does a fresh song at daybreak, unique to the season. Just before the sun rises, birds start singing their melodies, creating a chirpy symphony. “It's the epitome of spring ...