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Briefly

Recent studies indicate that liraglutide, a weight-loss drug, may significantly reduce the frequency of migraine attacks in obese patients. While a lack of a control group calls some findings into question, experts recommend further randomized trials. Separately, a remarkable observation revealed southern resident orcas engaging in 'allokelping,' where they use kelp to groom one another. This marks a significant discovery in marine mammal behavior, suggesting the orcas may use tools not just for cleanliness but possibly for health benefits such as parasite removal or temperature regulation, highlighting their cognitive abilities.
The weight-loss drug liraglutide could provide new avenues for treating chronic migraines, promising a reduction in headache days in patients with obesity.
Researchers observed southern resident orcas using kelp for mutual grooming, indicating a significant behavioral adaptation and the use of tools among marine mammals.
Read at Nature
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