Dr. White

  Want to use coffee to refresh to see the right time Think about it, are you used to dry a cup of coffee when you are sleepy ? Wrong! Want to use coffee to refresh, you have to drink before the sleepy ! Why? Let's first look at how people get sleepy . Our daily work consumes energy and our body produces some daze - adenosine. It is the source of sleepiness. As working hours continue to increase, adenosine more and more, and will bind with the receptors on the brain. Then the idea of sleepiness prevention is clear, blocking adenosine and receptor binding As it happens, coffee has a psychotropic agent - caffeine. The structure is very similar to adenosine, so it can occupy the receptor before adenosine, leaving adenosine with no "bed space" to stare at. Adenosine can not bind to the receptor, the brain does not receive fatigue signals, so we can continue to mental. Generally about 45 minutes after drinking coffee, 99% of the caffeine starts to work, with a half-life of abo...

  How about if you just do not exercise all the time? Those who do not exercise for a long time, what happened to them? When we have just stopped exercising: Stealing lazy, really comfortable It's true that when you don't exercise for a while, you feel better. I just stopped exercising for a period of time, but my body feels better, and the whole person is still fresh. As soon as you stop exercising , a series of changes in your body that are not easily noticeable from the outside come into play. Caloric demand decreases, and mitochondria, a part of the body's "energy station" that converts energy, begin to shut down. There are also changes in the metabolism of fat, which is the fuel. Even if you don't exercise for just two days, your body's low-density lipoprotein cholesterol (LDL-C) levels may rise by 10%, and high LDL-C levels carry the risk of cardiovascular disease. LDL-C concentration over time in the non-exercise group (top line) in the study Aft...