Hyaluronic acid is very effective for skin hydration.

He suffered from oxygen deficiency while climbing the mountain.

The use of renewable energy helps protect the global environment.

He is a person of strong vanity who reads self-improvement books.

He is facing many difficulties due to gender identity disorder.

Let's look at this truth table and understand the result of the logical expression.

His values are completely different from mine.

My grandmother always carries an incontinence pad with her.

Recently, I've been troubled by a severe feeling of residual urine.

His daughter was diagnosed with phenylketonuria.