Is anger a sign of depression? | Youthful brains | Ingestible injections

Women may have an edge when it comes to brain health [Angry? Could be depressed]( Credit: Ariel Davis for NPR [Your Anger Could Be Telling You Something]( Hopelessness or sadness are the typical signs of depression. But if you're often irritable or have angry outbursts, that could also signify you have blues. As [NPR’s Nell Greenfieldboyce]( reports, anger is not officially listed as a core symptom of depression for adults but it is for children. And researchers and clinicians are starting to think some adults with anger issues may need mental health support. [Read the story to learn more]( about the connection between anger and your mental health. Special Series: The Other Side Of Anger Got rage? In [The Other Side Of Anger,]( NPR explores the biology, psychology and cultural role of anger -- an emotion that can spur violence or be a force for good. [Explore the series]( to learn what's going on — and what to do about it — when you see red. [female brains more youthful]( Sherbrooke Connectivity Imaging /Getty Images/Cultura RF [Female Brains Stay Nimbler As They Age]( Good news for women: New research shows female brains tend to remain more youthful than their male counterparts. In terms of metabolism, women's brains appeared about four years younger, on average. Higher metabolism may give female brains an edge when it comes to learning and creativity in later life, researcher Dr. Manu Goyal says. But other researchers think the higher brain metabolism might make females more vulnerable to Alzheimer’s. [Read the story to learn]( about the debates in this emerging area of research, and [how women can protect their brains from Alzheimer’s.]( [ingestible injections]( Felice Frankel/MIT [Ingestible Injections Would Swap The Needle For A High-Tech Pill]( A pill with a tiny needle inside? The idea is stomach-turning, but for some of us, less terrifying than an injection. The inventions are still far from market, but researchers are experimenting with new ways to deliver meds and vaccines that avoid the pain for a shot. One concept is a pea-size device containing a spring that ejects a tiny dart of medicine into the wall of the stomach. Another is a pill form of a vaccine that operates like a tiny rocket, shooting past the stomach into the small intestine. [Read the story to learn]( researchers are working to create these next-gen drugs. --------------------------------------------------------------- --------------------------------------------------------------- More not-to-miss health stories from NPR [Disturbing or visionary? Scientist try gene-editing human embryos]( [Science-savvy, rebellious teen defies parents, gets vaccinated]( [Will Trump finally take action on sky-high drug prices?]( We hope you enjoyed these stories. Find more of [NPR's health journalism on Shots]( follow us for daily stories at [@NPRHealth.]( Your Shots editor, Carmel Wroth --------------------------------------------------------------- What do you think of today's email? We'd love to hear your thoughts, questions and feedback: [shots@npr.org](mailto:shots@npr.org?subject=Newsletter%20Feedback) Enjoying this newsletter? Forward to a friend! They can [sign up here](. Looking for more great content? [Check out all of our newsletter offerings]( — including Goats & Soda, Daily News, Best of NPR and more! You received this message because you're subscribed to our Health emails. | [Unsubscribe]( | [Privacy Policy]( | NPR 1111 N. CAPITOL ST. NE WASHINGTON DC 20002 [NPR]