"how does the brain change with age"-mental health

Explain how unhealthful weight loss or weight gain can lead to further weight loss or weight gain.

Although animals share many common characteristics, there is also a great amount of diversity found in animals. which animals are ectothermic, obtain dissolved oxygen in water through gills, have scales, have fins, and live in water?

The medical procatice that focuses are the care of the newborn child who is born premature is known as