It’s worth noting that if the iron in our blood were capable of attracting a small magnet that people are trying, then any time we use an MRI machine we’d be turned into a fine bloody mist. Every time you touch an older vacuum-style computer screen you’d warp the picture. People with hemochromatosis would be walking magnetic destruction, obliterating hard drives of any room they’re in. Putting a phone in your pocket would destroy it.

There is simply not enough iron in blood to be magnetic in any significant way, especially not to stick magnets to you.

EDIT: Because I can be quite stupid and not make obvious clarifications sometimes.

It’s worth noting that if the iron in our blood were capable of attracting a small magnet that people are trying, then any time we use an MRI machine we’d be turned into a fine bloody mist. Every time you touch an older vacuum-style computer screen you’d warp the picture. People with hemochromatosis would be walking magnetic destruction, obliterating hard drives of any room they’re in. Putting a phone in your pocket would destroy it.

There is simply not enough iron in blood to be magnetic in any significant way, especially not to stick magnets to you.

EDIT: Because I can be quite stupid and not make obvious clarifications sometimes. It’s

It’s worth noting that if the iron in our blood were capable of attracting a small magnet that people are trying, then any time we use an MRI machine we’d be turned into a fine bloody mist. Every time you touch a computer screen you’d warp the picture. People with hemochromatosis would be walking magnetic destruction, obliterating hard drives of any room they’re in. Putting a phone in your pocket would destroy it.

There is simply not enough iron in blood to be magnetic in any significant way, especially not to stick magnets to you.