The people urged the government to effect reform.The directors hoped to effect a smooth transition by working together during the merger.The manager had the power to effect change within the company.The following example sentences show this use: Sometimes, especially in formal writing, effect is used as a verb to mean 'to cause something to happen'. = Staying up late does not affect my ability to wake up early. Staying up late has no effect on my ability to wake up early.= The medicine affects your ability to stay awake. One side effect of the new medicine is sleepiness.= The teacher affects the children in a positive way. The new teacher has a positive effect on the children.

= Your diet has an effect on your weight. Pollution in the air affects our health.= The weather had an effect on our travel plans. The weather affected our travel plans.The following example sentences show these uses: Affect is a verb almost always used to mean 'to act on (someone or something) and cause a change.' Effect is almost always used as a noun to mean 'a change that results when something is done or happens.' In other words, when you affect something, you cause an effect.

Has an effect on me