Women who have a baby regularly suffer from migraines. Headaches often occur in the first three months of an “interesting” situation, and continue to bother until the baby is born.
Features of a headache during pregnancy
Often migraine attacks are accompanied by vomiting, indigestion, vision problems, nausea, dizziness, and other negative sensations. In many women, pain symptoms spread throughout the upper body. Often it breaks the back of the head, frontal parts of the head “tear” or crush whiskey.
Headache during pregnancy may not be associated with any pathology. In such cases, this is simply a reaction of the body to changes that occur with a woman. Hormonal “explosions”, toxicosis, lack of nutrients and vitamins and many other causes can trigger pain. Continue reading
Color blindness is a violation of the color perception of vision. Simply put, color blind is a person who does not distinguish between certain colors or shades. According to statistics, every tenth man on our planet is color blind. The only difference between them is the type of violation, due to the number of colors that they can recognize. In the article we will deal with the features, causes and correction of color blindness. You can pass a special test for the perception of colors, with which a deviation is detected.
The concept of “color blindness” came about thanks to John Dalton, an English physicist and chemist who himself learned about his color perception disorder as an adult at age 26. This was due to his passion for botany. When studying the flower, he noticed that in daylight the plant seemed sky blue to him, and in the evening light with a candle the flower turned dark red. Such a metamorphosis was not noticed by anyone around, except the scientist’s brother. Then Dalton began to realize that his vision was not in order and this phenomenon was hereditary. Continue reading