Fingertip monitors known as pulse oximeters that can be used at home to detect low blood oxygen levels (hypoxaemia) give higher readings for patients with darker than lighter skin tones, finds the ...

Reduced blood flow to the brain is thought to be a key factor in many forms of dementia, including Alzheimer's, and ...

High triglycerides can cloud your thinking. Elevated blood fats may reduce brain blood flow, fuel inflammation, and trigger brain fog—often signaling deeper heart–brain health risks. TheHealthSite.com ...

Neural tissue normally dies quickly without oxygen. Yet bird retinas—among the most energy-demanding tissues in the animal ...

Learn how heart rate monitoring, sleep tracking, and vitals app work together for better wellness. Pixabay, hu_lexxi Apple ...

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"What is good for the heart is good for the brain," one researcher says.

The discovery fundamentally changes the understanding of a structure in the avian eye that has been misinterpreted for centuries.

Under hypoxic conditions, tumour cells often switch from efficient aerobic respiration to anaerobic glycolysis (the “Warburg ...

The risk of developing glaucoma can be influenced mostly by an individual's body weight and overall physical health. Read on ...

Type 2 diabetes is closely tied to heart attacks and strokes, and the risk does not stay static – it rises year by year. A study from Karolinska Institutet adds an important detail to that picture: it ...