In 2012 and 2013, bexarotene researchers reported that bexarotene reduced amyloid plaque and improved mental functioning in a small sample of mice engineered to exhibit Alzheimer's-like symptoms and the findings were promoted in the media.
â¢ Significance: â¢ Professor is a job title while Doctor only signifies that the person has passed his Ph.D. â¢ There can be Professors even in the fraternity of the medical world as they are doctors who become eligible to teach to junior doctors.
1 A nephrologist-a doctor who specializes in diseases of the kidney. 2  A neurologist-a doctor who specializes in diseases of the brain and nervous system. 3  A gastroenterologist-a doctor who specializes in diseases of the gastrointestinal tract. 4  A pulmonologist-a doctor who specializes in diseases of the lungs.