Taking a “good” look at free radicals in the aging process

Free radicals and brain aging.

We reviewed here the formation of free radicals and its effect physiologically. Studies mentioned above have indicated that free radical/ROS/RNS involvement in brain aging is direct as well as correlative. Increasing evidence demonstrates that accumulation of oxidation of DNA, proteins, and lipids by free radicals are responsible for the functional decline in aged brains. Also, lipid peroxidati...

A Look at the Developments of Aging in Iran and the Coverage of Social Support for the Elderly (Provincial Adaptation)

In recent years, increasing life expectancy and decreasing fertility rates in the wake of medical advances has led to the emergence of an aging phenomenon in the country, which is rising steeply. Now, the question is: what is the current state, how old are provinces in the country, and what proportion of the elderly are covered by social insurance and public support institutions? In this articl...

Taking a closer look at IBD.

Healthcare professionals caring for patients with inflammatory bowel diseases (IBDs) in 2013 are equipped with significantly better knowledge about the disease, its variations, course and complications than in years gone by. Treatment options are improving, and perhaps more importantly, our knowledge of when and how to use existing treatments is becoming sharper. For these reasons, we have deci...

Taking a close look at electrosensing

The brain of the brown ghost knifefish, which uses electric fields to "see", processes electrical signals in a way that is similar to how our brains interpret visual and auditory signals.

Taking a Fresh Look at ISIL