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One of the hormones that control appetite is leptin. Released by fat cells, it normally crosses into the brain and tells it to stop eating.
In many obese people, however, leptin is unable to cross into the brain, as it has trouble penetrating the blood-brain barrier.
Now a new study reveals that not only does leptin regulate appetite, but it
ONLINE PUZZLES:
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Cross Train Your Brain.
Even the greatest minds need a little stimulation or pick-me-up every now and then.
Online puzzles and games from Smartkit are the perfect way to keep your mind sharp while providing a little entertainment.
Access our daily online puzzles to cross train you brain-and have some fun while you're at it!
- nosliw: Shaped Matrix Puzzle- Triangles & Circles: d
- nosliw: Yellow Matrix Brain Teaser: e- small red triangle inside green square inside orange triangle
- joey3454: Where is that Pierrot?: It looks like the outline of his body underwater with his head sticking out of the...
- joey3454: Hidden in a Fingerprint….: It looks like a panda to me.
- mysticalace8: Where is that Pierrot?: How much of Pierrot is actually shown?
- cheddarmelt: Where is that Pierrot?: toy boat.
- Baseball_Fan: Where is that Pierrot?: He’s in the water!!! Poor Pierrot
- Blusummers13: Where is that Pierrot?: I think it’s in the reflection in the water near the bottom of the...
- engjs1960: Where is that Pierrot?: Hi head is the boat, his body is in the waves on the water.
- Adi Chandra Wijaya: Game: GrayScale: I think it is a trial and error job
. But once we found, we can remember the... - amboutwe: Home Sheep Home: I finished them all. 13 was the most challenging for me.
- amboutwe: Where is that Pierrot?: The boat in the middle looks like a head with the body under the water. There also...
- 10dulkar: Where is that Pierrot?: The Pierrot in actually ‘floating’ in the waves at the bottom of the...
- 10dulkar: Cool Math Brain Teaser, from MichaelC: Hex… That is a good point. Guess one can look at it both ways,...
- Shawn: Where is that Pierrot?: He is lying on the sand, under the water in the foreground of the picture; you can see...