Together, these findings support the theory that subanesthetic doses of ketamine acutely increase glutamatergic activity but it is not clear if this is necessary for the antidepressant response
In the brain of patients with mild cognitive impairment (MCI) and those with AD, the level of markers of oxidative damage to DNA, proteins, and lipids is increased, while the expression and activities of glutathione and antioxidant enzymes are reduced (reviewed in 102)

When to seek medical advice : Patients should contact their GP or diabetes specialist nurse if they experience: Severe, persistent vomiting preventing adequate fluid intake (risk of dehydration and acute kidney injury) Severe abdominal pain, particularly if radiating to the back (potential pancreatitisrare but serious) Right upper abdominal pain, fever, or yellowing of skin/eyes (potential gallbladder disease) Sudden vision changes (particularly with semaglutide, which may worsen diabetic retinopathy, especially with rapid HbA1c reduction) [40] [41] Signs of hypoglycaemia when used with insulin or sulphonylureas Allergic reactions (rash, difficulty breathing, facial swelling)call 999 or go to A&E for severe allergic reactions Patients should report suspected side effects via the MHRA Yellow Card scheme (yellowcard.mhra.gov.uk or the Yellow Card app)
It heals injuries and prevents some age-related diseases like cancer, heart disease and dementia. 3