L-tryptophan is used by the brain to produce serotonin, a neurotransmitter that is necessary for normal sleep. Getting enough sleep is crucial for a healthy immune and nervous system, in addition to a host of physiological effects that a lack of sleep can cause.
The NHS will today launch the world’s largest trial of a revolutionary new blood test that can detect more than 50 types of cancer before symptoms appear. The first people to take part will have blood samples taken at mobile testing clinics in retail parks and other convenient community locations. The Galleri(tm) test checks for […]