Asthma is the most common chronic disease of childhood and, in the latter part of the 20th century, reached epidemic proportions. Asthma is generally believed to result from gene-environment ...

and accelerate the green transformation and upgrading of primary, secondary and tertiary industries and their infrastructure. China encourages eco-friendly planting and breeding industries and ...

Hormonal changes caused by a thyroid problem — such as hyperthyroidism or hypothyroidism — may also be responsible for premature white hair. The thyroid is a butterfly-shaped gland located at ...