Medicine 691 news

Minoxidil exposure can be fatal to cats and dogs

Spain’s medicines agency warns that human minoxidil can cause severe cardiovascular toxicity in pets, especially cats. In one set of reports, 8 of 62 cats that developed symptoms died; exposure can come from contaminated hands or bedding.

Tuxedo-3 shows intracranial activity in active brain metastases

Final Tuxedo-3 data presented at ESMO 2026 in Madrid show median overall survival of 10.5 months for patients with leptomeningeal disease. The phase II results indicate intracranial activity in active brain metastases but need confirmation in larger prospective trials.

Heat Can Slow Thinking, While Brain Fog Has Other Causes

A study found slower responses and lower accuracy on cognitive tests as temperatures rose, with the clearest differences at 40C. Poor sleep and stress can also contribute to brain fog, while memory complaints are common during menopause.

Researchers trace severe COVID’s damage inside the lungs

Lung samples from 19 people who died of COVID-19 reveal the loss of oxygen-exchanging tissue and a rise in scar-forming cells. Researchers say existing antifibrotic medicines need preclinical testing before they can be considered as treatments.

AI ranks breast cancer risk from a single mammogram

A deep-learning tool assessed 27,172 normal mammograms and ranked women by their five-year breast cancer risk. In preliminary results, the highest-risk 10% accounted for about 30% of cancers diagnosed during that period.

Lung map tracks severe COVID-19 damage

Researchers mapped 91,068 lung-tissue regions from 19 people who died with severe COVID-19. The analysis found stronger fibrosis-linked signals during a stage when alveolar repair was still underway.

Johnson & Johnson faces a deepening fight over trust

Gardiner Harris accuses Johnson & Johnson of lethal marketing and corruption. His book links major products to millions of deaths and describes a Spanish health scandal, while its estimate of two million deaths remains unverified.

Vaccination takes a bigger role in heart protection

Flu can raise the risk of a heart attack tenfold in vulnerable patients. SEMERGEN specialists want vaccination integrated into cardiovascular care, where infection prevention can reduce severe complications.

Spain reportedly expands CGM for basal-insulin diabetes care

A reported Spanish consensus would make continuous glucose monitoring routine for some people with type 2 diabetes who use basal insulin. International guidance supports considering CGM for insulin-treated patients, while the Spanish figures await confirmation against the source document.