The pulse width of the laser is measured in picoseconds.

This light bulb consumes one watt-second of energy per second.

He was absent from the meeting due to a sudden illness.

I am going to see a podiatrist who will examine my foot problem.

If you don't get regular dental check-ups, you may develop periodontitis.

He thought for a few seconds before giving an answer.

What is his disease name?

Hansen's disease is a disease with very weak infectiousness.

He is receiving treatment for mania.

He is suffering from a strange malady.