In biology, the nervous system is a highly complex part of an animal that coordinates its actions and sensory information by transmitting signals to and from different parts of its body. The nervous system detects environmental changes that impact the body, then works in tandem with the endocrine system to respond to such events. Nervous tissue first arose in wormlike organisms about 550 to 600 million years ago.
Acne is not just a teenage ailment, as it can occur at any age. Although adult acne is less common than teen acne, it affects more women than men and can often occur during menopause when hormones are off balance. Healthline reports that 25% of women aged 40-49 get acne. Hormonal imbalances that occur with puberty are also what cause teen acne, so it makes sense that the same thing would cause adult-onset flareups. But how do you remedy acne using natural and gentle methods?
There's nothing like soaking up the sun on a warm summer day, but it's very easy to get a little too much sun. How quickly you burn can vary from person to person; the American Skin Association warns that someone with lightly pigmented skin can get a sunburn in as little as 10 minutes. Even if you wear sunscreen (as you should — even indoors), people often forget to reapply it throughout the day, which means they can still get a sunburn.