Gender identity refers to the gender that each individual recognizes themselves as.

The use of renewable energy helps protect the global environment.

She was diagnosed with Addison's disease.

My grandfather has been suffering from diabetes for many years.

My grandmother is suffering from Alzheimer's disease.

He is suffering from alopecia.

How does this pathogen infect humans?

My sick friend is fighting his illness with cheerfulness every day.

He is suffering from a chronic disease.

My younger sister is hospitalized with a childhood disease.