B11

Drinking coffee is an irresistible habit for millions of people and most of them find it impossible     to do without it.

POSSIBLE

B12

Yet, doctors feel pessimistic about drinking coffee and even consider it harmful.

HARM

B13

Some people can drink several cups of coffee with few side effects. Oth­er individuals may be so sensitive that even a small amount of coffee makes them uncomfortable.

SENSE

B14

They may become impatient and notice some nervousness, headaches, and inability to concentrate.

ABLE

B15

It is believed that coffee makes people more energetic. That is why people usually drink coffee in the morning.

ENERGY

B16

However, there are people who actually feel sleepy after a cup of coffee.

ACTUAL