This gene encodes transthyretin, one of the three prealbumins including alpha-1-antitrypsin, transthyretin and orosomucoid. Transthyretin is a carrier protein; it transports thyroid hormones in the plasma and cerebrospinal fluid, and also transports retinol (vitamin A) in the plasma.
6 Surprising Signs You Need More Sleep. You know the classic signs: You're dragging at work, you're yawning all day, you're sluggish and you swear you can actually hear your bed calling your name. You need to sleep. On the days when a fourth cup of coffee is masking the most obvious signs, you might think you've won the battle. But don't kid yourself.
The number of hours of sleep you need to stay healthy and alert differs according to your age. Teenagers need between 8 to 10 hours of sleep, while adults should get 7 to 9 hours. Sure, youâre eating your vegetables and fruits and squeezing in exercise at least 20 minutes a day, but are you getting enough sleep, too?