Structurally and functionally, the short-wave-sensitive (S) cone pathways are thought to decline more rapidly with normal aging than the middle- and long-wave-sensitive cone pathways. This would explain the celebrated results by Verriest and others demonstrating that the largest age-related color discrimination losses occur for stimuli on a tritan axis. Here, we challenge convention, arguing fr...

Tuberculosis is a hidden disease. It under-diagnosed, under-counted, stigmatised, largely poor person’s illness, and therefore not of much interest to the media. India has burden tuberculosis (TB) cases deaths in world with 26% new 34% 2020 [1] Yet, most us are more likely know someone diabetes, heart disease, or cancer than friend acquaintance who undergone treatment for tuberculosis.