| A | B |
|---|
| effect (n.) | result; outcome |
| joke (n.) | something funny |
| immune system (n.) | part of your body that fights disease |
| laughter (n.) | when you laugh |
| to share (v.) | to give what you have |
| to reduce (v.) | to make smaller |
| allergy (n.) | a bad health reaction (milk, nuts, flowers, perfume) |
| to relieve (v.) | to make better; to take away |
| stress (n.) | mental or emotional problems |
| hormone (n.) | cells in your body |
| research (n.) | when you study or investigate something |
| to create (v.) | to make something new |
| to improve (v.) | to make better |
| comedian (n.) | someone whose job is making people laugh |
| antibodies (n.) | part of the immune system that fights infection |
| psychiatry (n.) | the study of mental illness |
| mental (adj.) | of the mind |
| physical (adj.) | of the body |
| to create (v.) | to make something |
| antibodies (n.) | cells that fight infection |
| disease (n.) | serious sickness |
| penguin (n.) | black and white seabird |
| clinic (n.) | doctor's office |
| childish (adj.) | like a child |
| to heal (v.) | to fix |
| to develop (v.) | to make something; create |
| humor (n.) | something funny |
| to fake (v.) | not real; to pretend |
| patient (n.) | a person who goes to the dentist or doctor |
