The phrase "has a negative effect" is grammatically correct and can be used in written English.
It means that something causes harm, discomfort, or a detrimental outcome. Example: Smoking has a negative effect on your health, causing various respiratory diseases.
Frank Hu of Harvard reports that most TV has a negative affect on the brain, so turn it off.
There are a number of other poor examples of athlete agents and their behavior but at its core this is a business about helping the athlete and any behavior that has a negative affect on the athlete should be met with the highest form of scrutiny.
Thus, LhrA indeed has a negative affect the level of chiA mRNA.
Poverty, therefore, has a negative affect on children's mental and physical development, which will prevent them to reach their full potential", said Mme Nguyen Thi Kim Ngan, Minister of Labour, Invalid and Social Affairs.
Two focus group studies [ 20, 21] found that migraine has a negative affect on the quality of life of the person afflicted and on the person's family life, work and relationships.
Acute ethanol exposure has a negative affect on p38 MAPK activity, leading to decreased NF-κB transcriptional activity, lower levels of TNF and of proinflammatory cytokine production [ 22, 23], and, ultimately, neutrophil and granulocyte migration to sites of inflammation [ 17].
"Almost everywhere you see the warming effects have a negative affect on wheat and there is a similar story for corn as well.
That change, opponents say, would affect the appearance of the largely rural area and possibly have a negative affect on the adjacent natural environment, such as the waterways, vegetation and wildlife.
The loan is also sent to my account at a point after I have actually started university, so for the first few weeks at university I'll have to fund myself with money I've saved up from working for the past year (which may have had a negative affect on my grades).
