Cultured sympathetic neurons contain an excitatory transmitter, norepinephrine, and one that is inhibitory, acetylcholine. A new paper shows that BDNF increases the ratio of acetylcholine to ...

Scientists are reporting the first compelling evidence in people that cognitive training can boost levels of a brain chemical that typically declines with age. A 10-week study of people 65 or older ...

Pop a memory-enhancing pill and your friends will think you are sharp for your age. They might even reduce your annoying forgetfulness. Sounds pretty good, right? Well, such pills, in crude form, are ...

Yes, and by studying how these drugs act upon the brain we are beginning to understand better what causes nightmares and how to prevent them. One way to understand nightmares is to consider the ...

Journal of Herpetology, Vol. 55, No. 4 (December 2021), pp. 318-324 (7 pages) Amphibian skin secretions are a rich source of antimicrobial peptides that have long interested both the biomedical and ...