such as some tattoos, can also impact performance" of the Blood Oxygen app. In 2015, several Apple Watch users said their black wrist tattoos interfered with the device's heart rate sensor.

According to a new study from the University of Washington, many of these newer devices claiming to measure blood pressure have not been properly vetted and may be giving consumers inaccurate readings ...

After debuting a drawing of a nude man and woman hugging each other in June 2024, the “In My Blood” singer now has nearly 20 tattoos ... meditating figure on his wrist, he and ex Cabello ...

A recent study conducted by Lund University in Sweden discovered that individuals with tattoos are at a higher risk of developing a type of blood cancer known as lymphoma. The researchers ...

a type of white blood cell involved in the body’s immune response. While the findings are noteworthy, the authors emphasize more research is needed to confirm whether tattoos directly cause ...

such as nipple tattoos after mastectomies. Now a new study suggests that having a tattoo may increase the risk of a type of blood cancer called lymphoma that affects around 14,000 people a year in ...

The moment I even mentioned it, I’d be met with a long list of reasons why tattoos were a bad idea. People would say they’d ruin my future, limit my opportunities, and even "taint" my blood ...