"fewer negative effects" is correct and usable in written English.
You could use it when discussing topics such as the effects of climate change, technology, or lifestyle on health. For example, "The new medication has fewer negative effects on the patient's health than traditional treatments."
Although commercial activity may reduce formal activities such as publication or sharing of materials, it may have fewer negative effects on informal communication among researchers.
If acute reduction in cardiac output is of concern, a dihydropyridine calcium channel blocker (e.g., nicardipine, clevidipine) may be preferred, because these agents have fewer negative effects on the heart rate and myocardial contractility.
This urine, still containing psychoactive elements, may be more potent than the A. muscaria mushrooms with fewer negative effects such as sweating and twitching, suggesting that the initial user may act as a screening filter for other components in the mushroom.
Data from in vitro studies suggest that balanced solutions may have fewer negative effects on coagulation parameters [ 34, 35].
It seemed that Rh1 combined with DEX had fewer negative effects than DEX treatment alone on blood glucose in vivo.
Specially, anisodamine is not as toxic as atropine and has fewer negative effects on the central nervous system than scopolamine [ 4].
But there were relatively few negative effects and no reports of serious flooding, partly because the ground was so dry, Mr. Grenci said.
By 2005, however, a Justice Department lawyer reviewing the torture program wrote that he understood sleep deprivation "generally has few negative effects (beyond temporary cognitive impairment and transient hallucinations)." Khan gave his interrogators no functional intelligence.
While few negative effects due to change in land-use to plantation were recorded, limited increase in occupancy for most species contrasts with overall positive trends reported previously for diurnal bird species.
