Study Claims Stress And Depression Is Shrinking Your Brain
Aug 15, 2012 10:12
A study published in the journal Nature Medicine states that severe depression and chronic stress can shrink the brain by blocking the formation of new nerve connections. This thought to contribute to shrinkage of the brain's prefrontal cortex, which is known to occur in MDD sufferers.
For the study, researchers at Yale analyzed tissue of depressed and non-depressed patients who had died of MDD. They looked for different patterns of gene activation, and found that those in depression exhibited lower levels of expression in genes that are required for the function and structure of brain synapses.
Evidence pointed to the involvement of a single genetic "switch", or transcription factor - a protein called GATA1. Further studies on rats showed that when GATA1 was switched on, the rodents showed signs of depression.
The findings suggest that loss of brain synapses may be linked to depressive symptoms as well as mental impairment. The researchers hope that these genetic variations in GATA1 may one day help identify people at high risk and help improve treatment methods.
Even if we don’t need to, we all think we could lose a few pounds. The only problem is we don’t have the stomach for all the hard work, literally! As a race, humanity loves to eat and we have an incredibly close bond with food. Read more
Women have 3 major trouble spots: the tummy, bottom, and arms. You cannot spot reduce fat because you will lose it all over, but you can spot enhance by targeting the areas to build lean muscle. Here are some tips for you to sculpt a perfect bikini body: Read more
Many people who live in the US choose to take long summer vacations because they can be cheap and cheerful. There are so many different states to visit that you will never feel bored, and you will always find lots of fun things to do. However, lots of folks find it difficult to keep up with their standard health and fitness routines while they are away. So, we’ve come up with some ideas that should help you to stay on top of things. At the end of the day, you don’t want to come back from a long stay in North Carolina with an expanded waistline. Read more