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Doctoral candidate Aya Kobeissi discusses the role of oxytocin -- the "love hormone" -- in restoring lost empathy for some dementia patients. Dr. Joshua Steinberg and Norton College of Medicine student Shruti Venkatesh share their analysis of health claims on food packaging. Cancer researcher John Brognard talks about how he entered this field and what he finds so gratifying about it.

Electrophysiologist Jorge Romero explains atrial fibrillation diagnosis and the plentiful treatment options. Psychologist Holly Vanderhoff goes over various career options in the field of mental health. Gynecologist Maureen Burke discusses whether estrogen is safe for women to take at menopause.

Onondaga County Health Commissioner, Dr. Katie Anderson, discusses rabies protection. Respiratory therapist Jackson Tarr tells how to successfully quit smoking or vaping. The Rev. Kate Dunn and chaplain Thomas Anderson talk about ministering to patients and families affected by cancer.

Medical student Sophia Xian, who has written poetry about her cancer diagnosis and treatment, talks about its impact on her medical career. Orthopedic surgeon Robert Sherman explains the difference between partial and total knee replacement and how to determine which is best for a particular patient.

Gynecologist Katherine Frega discusses how endometriosis is diagnosed and treated. Microbiologist and tick expert Saravanan Thangamani explains that ticks can carry more than one pathogen and tells how to protect yourself. And pediatrician Danielle Daniels answers what to do if you're unvaccinated and discover that you've been exposed to measles.

Dr. Mythili Pathiyil, who specializes in gastroenterology, discusses rising rectal cancer mortality rates in young adults. Psychiatrists Justin Meyer and Thomas Schulze explain the benefits of electroconvulsive therapy, or ECT ("shock treatment"), and a controversy involving the World Health Organization. And neurotrauma nurse navigator Melissa Port tells what's important to know about becoming an informal caregiver.

Geriatrician Sharon Brangman discusses ways to reduce the risk of developing dementia. Author and filmmaker Francis DiClemente shares his new book, "Stunted: A Memoir of Delayed Manhood." And psychiatrist Robert Gregory tells how to recognize when someone is suicidal.

Tuesday's top race is in Ohio, where voters are set to pick nominees for an open U.S. Senate seat. Redistricting has also affected some of the state's closely watched House races.

Award-winning science journalist Alison Richards is deputy supervising senior editor for NPR's science desk.

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