The phrase "a significant decrease in body mass" is correct and usable in written English.
It can be used in contexts related to health, fitness, or scientific discussions about weight loss or changes in body composition.
Example: "After following the new diet plan for three months, the participants experienced a significant decrease in body mass."
Alternatives: "a notable reduction in body weight" or "a considerable drop in body mass."
By 4 wk, clear phenotypic differences were evident between the double transgenic animals and their control littermates, including a significant decrease in body mass and visible kyphosis (Fig. 2C, 2D).
Ad hoc testing demonstrated a significant decrease in body mass for the 7.4 MBq group compared with controls (P=0.039), suggesting increased systemic toxicity in this group.
Interestingly, a similar study by Church et al. [ 8] observed a significant decrease in body mass in the Combination group compared to Control and Resistance groups after 9 months of training, comparable to our findings.
A study using specific dietary advice to remove gluten and lactose and providing high calorie advice for patients with low appetites (Macia et al, 1991) showed a significant decrease in Body Mass Index and Mid-Arm Muscle Circumference in control group patients, but both groups had similar gastrointestinal toxicity.
Both groups showed a significant decrease in body fat percentage and fat mass.
In addition, we noted that pups delivered by aNK female mice showed a significant decrease in body weight compared with control and eDC mice on PN4, suggesting that aNK influences fetal and post-natal body mass.
Metabolic phenotyping revealed changes in body composition, evidenced by a significant decrease in body weight in mice receiving DEP-1 ASOs, along with a decrease in white fat pad mass in sacrificed mice.
There was a significant decrease in body weight and non-significant decrease in mean testicular weight of enrofloxacin treated rats.
After 12 weeks of supplementation, we observed a significant decreased in body fat mass and percent body fat.
Walking is the most popular fitness activity in the United States, and research has found that pedometers encourage people to walk more, with some users showing statistically significant decreases in body mass index and blood pressure, even when they were not told to change their diets or exercise habits.
RYGB resulted in the expected and significant decreases in body mass index (BMI), body weight (kg), fat mass (kg), and fat free mass (kg) from T0 → T3 → T6 (TABLE 1).
