His daughter was diagnosed with phenylketonuria.

Hypervitaminosis occurs when the intake of vitamins is too high.

He has prosopagnosia, which makes it very difficult to remember faces.

His long talk is just like 'a hundred days of sermonizing without a fart.'

Einstein proposed the theory of relativity.

His actions always have a duality.

My younger brother caught the influenza.

This material has high corrosion resistance.

This equation has homogeneity.

Radioactive elements are produced in nature and scientific experiments.