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Simple blood test could help reveal whether melanoma will come back
By Stephanie Pappas published
A new study finds that fragments of tumor DNA in a patient's bloodstream could show that they are at high risk of a melanoma recurrence.

Nearly 3 million extra deaths by 2030 could result from HIV funding cuts, study suggests
By Nicoletta Lanese, Emily Cooke published
A modeling study looked at how anticipated cuts to international HIV funding would affect the rate of new cases and HIV-related deaths in low- and middle-income countries.

How accurate are smart rings, and how do they compare to fitness watches?
By Anna Gora published
References Smart rings may have certain advantages over wrist-worn devices, but we recommend you do not throw out your smartwatch just yet.

Scientists hijacked the human eye to get it to see a brand-new color. It's called 'olo.'
By Nicoletta Lanese published
Using an experimental technique called "Oz," researchers stimulated the human retina such that people saw a brand-new color.

Measles has long-term health consequences
By Stephanie Pappas published
Measles can erase the immune system's "memory" and cause a rare but fatal health condition. The MMR vaccine prevents these repercussions, evidence shows.

Is getting an IUD painful?
By Marilyn Perkins published
People experience different amounts of pain during IUD insertion, but there are a number of pain-relief options available to patients getting the contraceptive.

Experimental 'Ozempic pill' shows promise in treating type 2 diabetes
By Nicoletta Lanese published
The drugmaker Lilly announced topline results of a clinical trial of a new pill in the same drug class as injectables like Ozempic.

'Useless' female organ may actually support the ovaries, study finds
By Jess Thomson published
The rete ovarii, a poorly understood structure connected to the ovaries, may be much more essential to ovarian function than scientists initially thought.
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