Tatsiana Yashyna
Deputy COO at Welltory
Deputy COO at Welltory. With a background in medicine and years of working with health data, she translates research and real physiological signals — sleep, stress, heart rate, and hormones — into clear, evidence-based explanations that help people understand what their bodies are telling them.
Latest articles
Silent migraine: a migraine attack without the headache
A silent migraine brings migraine aura — zigzag lights, a growing blind spot, tingling or trouble finding words — with no headache. Here is what it feels like, how long it lasts, how doctors tell it from a mini-stroke and when it needs urgent care.
Do pets reduce stress? What the research says about cats, dogs and your body
Petting an animal can calm your body in the moment, and dogs get you walking. Here is what the research shows about pets and stress, where it falls short, and the load nobody mentions.
Do migraines get worse with age? How migraine changes from childhood to your 60s
Migraine usually rises in the teens, peaks between your 20s and about 50, shifts with pregnancy and perimenopause, and eases later. Here is what the population data show at each stage, and why a new headache after 50 needs a doctor.