Inner Nature: Gustation, the sense of taste
By Vidya Rajan, Columnist, The Times
Lead in paint and gasoline was banned in the 1970s because it causes brain damage by downregulating the production of brain-derived neurotrophic factor (BDNF) [1]. BNDF is an important growth factor for brains to grow and develop properly. Therefore, banning lead from gasoline makes sense – after all chemicals in fumes get breathed in, enter the circulation,...
Inner Nature: Getting touchy-feely with Somatosensation
By Vidja Rajan, Columnist, The Times
Somatosensation is the ability of the body to sense stimuli, but is not as straightforward as it seems. For example, touch can range from being barely perceptible to being excruciating; an itch that is scratched can go from feeling pleasurable to painful. Percussion and loud music can can be felt as a physical sensation. How does this happen, and is it touch...
