The global obesity epidemic, affecting over one billion people worldwide, is largely driven by eating behaviors. Appetite, influenced by both intrinsic and environmental factors, plays a crucial role in weight management. A recent study how exercise affects appetite perception in obese males, shedding light on the physiological mechanisms behind hunger suppression post-exercise.

While exercise is well-known for its benefits in weight management, its direct impact on appetite control has remained a subject of debate. Appetite is regulated by a complex network of gastrointestinal and neurohormonal signals, including hormones like ghrelin, leptin, interleukin 6 (IL-6), and neuropeptide Y (NPY). These hormones influence hunger levels, satiety, and energy balance.

The study published in Physiological Reports examines investigated how moderate continuous aerobic exercise (MICE) alters these hormone levels in obese men, ultimately affecting their hunger perception. The findings reveal that certain myokines and cytokines shift dynamically post-exercise, potentially reducing appetite and offering a promising strategy for weight management.

Hormonal Responses to Exercise

The study found that after exercise, there was a significant increase in IL-6 and irisin levels in the exercise group compared to those who remained sedentary. These elevated concentrations persisted for an hour after working out. IL-6 has been associated with regulating metabolism and enhancing fat oxidation, while irisin plays a role in converting white fat into more metabolically active brown fat.

Conversely, the study reported a decrease in neuropeptide Y (NPY) levels, a key neurotransmitter responsible for stimulating appetite. The decline in NPY levels post-exercise suggests a temporary suppression of hunger, supporting the idea that exercise can curb cravings. However, the study did not observe significant changes in IL-7 or leptin levels, two other hormones involved in appetite regulation.

Why Some People Struggle to Lose Weight

Ghrelin, often called the “hunger hormone,” stimulates appetite by increasing activity in specific areas of the brain. Individuals with higher ghrelin levels generally find it harder to lose weight because their bodies signal hunger more frequently.

Research suggests that dieting can lead to an increase in ghrelin levels, making weight loss challenging. Certain medical conditions, such as Hashimoto’s thyroiditis, Prader-Willi syndrome, anorexia nervosa, and bulimia nervosa, are also linked to elevated ghrelin levels, complicating appetite regulation further.

Challenges in Implementing Exercise for Appetite Control

While exercise has clear benefits, the findings should be interpreted with caution. He pointed out that the study had a small sample size, making it difficult to draw definitive conclusions.

Moreover, he highlighted the challenges faced by obese individuals in maintaining an intensive exercise routine. While exercise-induced appetite suppression is promising, consistently engaging in high-intensity workouts may be unrealistic for those who struggle with mobility or fitness levels. More extensive studies are needed to determine the optimal exercise duration and intensity for effective appetite suppression.

Tips to Naturally And Safely Suppressing Appetite

Besides exercise, there are several strategies individuals can use to naturally suppress their appetite and improve satiety:

Increase Protein Intake: Protein-rich foods, such as lean meats, legumes, and dairy, promote feelings of fullness and reduce hunger.

Stay Hydrated: Drinking water before meals can help control portion sizes and prevent overeating.

Opt for Fiber-Rich Foods: Whole grains, vegetables, and fruits high in fiber take longer to digest, keeping you full for longer.

Reduce Simple Carbohydrates and Sugars: Simple carbs and sugars cause rapid spikes and crashes in blood sugar levels, leading to increased hunger.

Prioritize Sleep: Poor sleep disrupts hunger-regulating hormones, making it harder to control cravings.

Manage Stress: Chronic stress increases cortisol levels, which can lead to overeating and weight gain.

The study’s findings indicate that moderate exercise can temporarily suppress appetite by altering key hormones. While more research is needed to refine the details—such as optimal workout duration and intensity—this insight adds to the growing body of evidence supporting exercise as a tool for appetite regulation and weight management.

For individuals looking to curb cravings and maintain a healthy weight, incorporating a well-balanced diet alongside regular exercise remains the most sustainable approach. Future studies focusing on larger populations and long-term effects could provide deeper insights into how exercise can be optimized for appetite control, making it an effective strategy in combating obesity.

Exercise alone is not a magic solution for weight loss, but its impact on appetite hormones presents a promising avenue for managing hunger and energy balance. As research continues to evolve, it becomes increasingly clear that integrating physical activity with mindful eating habits can play a vital role in achieving and maintaining a healthy lifestyle.

There’s a real issue here—“gym supplements” aren’t automatically harmless, and unsupervised use can increase cardiovascular risk, especially when stacking multiple products.

Most harm isn’t from basic supplements like protein—it’s from stimulants, hormone-like substances, and unregulated combinations. The risk becomes significant when users chase rapid physique gains without medical awareness.

Where Does The Heart Risk Come From

1) Stimulant-heavy pre-workouts

• Often contain high-dose caffeine, synephrine, yohimbine, or hidden stimulants
• Risks: tachycardia, hypertension, atrial/ventricular arrhythmias, and even ischemia in susceptible people
• Case reports link these to events resembling acute coronary syndrome and sudden cardiac death

2) Anabolic agents / “muscle boosters”

• Includes anabolic steroids or “test boosters” adulterated with hormones
• Risks: LV hypertrophy, fibrosis, dyslipidemia (↓HDL, ↑LDL), thrombosis → premature CAD
• Strong association with cardiomyopathy

3) Protein excess + dehydration

High protein alone is usually safe in healthy individuals, but can increase the risk of electrolyte imbalance and arrhythmias when combined with:

• poor hydration
• intense workouts
• creatine misuse

4) Fat burners / thermogenics

• Often under-regulated blends
• Risks: QT prolongation, coronary vasospasm, hypertension

5) Electrolyte imbalance

• Overuse of diuretics, cutting agents, or poor hydration
• Can precipitate arrhythmia even in structurally normal hearts

6) Contamination & mislabeling

• Many supplements contain undeclared drugs (steroids, stimulants, SARMs)
• This is one of the biggest hidden risks globally

Who Is At Risk

People at risk include those with:

• Undiagnosed structural heart disease (e.g., hypertrophic cardiomyopathy)
• Prior myocarditis
• Family history of sudden death
• Hypertension or CKD
• Combining supplements with alcohol, dehydration, or extreme training

Red fags In Gym Users

• Palpitations, skipped beats
• Chest pain during/after workouts
• Unexplained syncope or near-syncope
• Excessive BP rise or headaches
• Decline in exercise tolerance

These should not be dismissed as “normal gym effects.”

Practical Guidance

• Avoid “proprietary blends”—know exact ingredients and doses
• Limit caffeine intake (<300–400 mg/day total from all sources)
• Prefer single-ingredient supplements over stacks
• Screen high-risk individuals (ECG ± echo before intense training)
• Encourage hydration and electrolyte balance
• Absolutely avoid anabolic steroids outside of medical indication.

Colon cancer, medically known as colorectal cancer, was historically typical for people aged 50 or older. However, in recent years, the cancer that forms in the tissues of the large intestine has been increasing in prevalence in young adults. As many as one in five colorectal cancer patients today falls into this younger age group.

Now, a study published by the American Society of Clinical Oncology shows that marathons, which are one of the most celebrated physical activities, may be increasing the risk of the disease.

What Did The Study Find?

The team at Inova Schar Cancer Institute in Virginia, US, initiated the study after observing multiple “ultramarathoners” present to their cancer center with advanced colorectal cancer.

To probe the link, they recruited 100 runners to undergo colonoscopies — the gold standard for screening and preventing colorectal cancer. The team then looked at runners ages 35 to 50, who had either completed at least five marathons or two ultramarathons (any runs of 50 kilometers or more).

Presenting the findings at the 2025 American Society of Clinical Oncology (ASCO) annual meeting, Dr. Timothy Cannon, an oncologist at the Institute, stated that

• Nearly 50 per cent of the participants in the study had polyps, which can become cancerous,
• 15 per cent had advanced adenomas (noncancerous tumor) which are likely to become cancerous.

Also read:Colorectal Cancer: UK Surgeon Warns Of 5 Silent Signs You Shouldn’t Ignore

Almost always, colon cancers start as small growths called polyps or precancerous lesions on the inner lining of the colon or rectum.

Moreover, the study found that the rate of advanced adenomas nearly tripled among the marathon runners, compared to the general population, at 4.5 -6 per cent.

How Does Ultra-running Spike Chance Of Developing Colon Cancer?

In general, running and other forms of exercise are known to reduce the risk of developing colon and other cancers. At the same time, exercise-induced gastrointestinal injury is also believed to be associated with reduced blood flow to the intestines during long-distance running.

Notably, to date there is no evidence that definitively shows running causes polyps.

The new study presents a correlation — an increasing relationship between long-distance running and advanced adenomas. It does not prove that running directly causes the adenomas.

Read More: Europe Sees Record Surge In Gonorrhea, Syphilis Cases In Over A Decade, Says ECDC

The new results suggest that “intensive long-distance running is a risk factor for advanced adenomas of the colon", said Dr. Timothy, in the paper. The team also called for "refining screening strategies" for marathon runners.

It is because runners put their bodies through a lot, which can raise the risk of chronic inflammation, enabling cancerous cells to grow.

Their high-caloric foods for immediate energy can slow down digestion and impact your overall colon health.

What is Colorectal Cancer

The American Cancer Society notes that colorectal cancer is a cancer that starts in the colon or the rectum. Colorectal cancer impacts around 1.9 million people every year, noted the World Health Organization (WHO) as per its 2022 data.

It is a disease of the large bowel and a type of cancer that originates from the rectum or colon. A person's colon, cecum, rectum, and anus make up the large intestine.

According to experts, if you are above 45 years of age or have high-risk factors, you need to take the initiative to be screened, as the symptoms appear late, impacting treatment outcomes.

The common red flags for colorectal cancer include:

• rectal bleeding,
• persistent abdominal discomfort,
• pain,
• a noticeable change in bowel habits.

What starts as a mild soreness after exercise is often ignored as simply another part of living an active lifestyle. Many people keep working out, thinking that the pain will subside with rest. But when pain keeps coming back or gets worse, it may be a sign of tendonitis - a common condition of inflammation or irritation of a tendon.

With increasing focus on fitness, gym workouts, running, and high-intensity exercises, tendon-related injuries are becoming more common. At the same time, sedentary lifestyles, poor posture, and repetitive strain from gadgets and laptops are also contributing to the problem.

What Is Tendonitis?

Acute injury to any tendon due to repeated movement results in tendinitis and causes pain and inflammation, but when this injury is ignored and no rest is taken, they progress to tendinosis.

In tendinosis, the cause of pain is not acute inflammation, so anti-inflammatory medicine is of no use. So our focus is to repair, replace, or debride scar tissue. This is an entirely different approach from treating tendinitis.

Early signs

One of the biggest challenges with tendonitis is that its early symptoms are frequently dismissed. Many people continue exercising despite the discomfort, believing “pushing through the pain” is part of staying fit. Unfortunately, this often worsens the condition.

Some common signs include:

• Pain during or after physical activity
• Tenderness around a joint
• Mild swelling or stiffness
• Weakness in the affected area
• Pain that improves with rest but returns with activity

Why Ignoring Can Make It Worse?

Prolonged vigorous physical activity despite continued pain can put more stress on the tendon and exacerbate inflammation. Repeated strain, over time, can cause tendon degeneration or even tendon tears, which may take a lot longer to repair.

Athletes, fitness enthusiasts, office workers, and people whose work involves repetitive motions are the most at risk. Poor warm-up, improper exercise methods, lack of recovery time between sessions, and time during rehabilitation can also increase the risk.

How Can It Be Treated?

Early treatment commonly focuses on reducing strain and inflammation. Symptoms are often relieved through rest, ice application, physiotherapy, stretching exercises, and posture correction. Depending on the severity of the condition, supportive braces or activity modification to reduce stress on the affected tendon may be recommended.

In more severe or long-standing cases where conservative treatment does not provide relief, advanced interventions such as steroid injections, platelet-rich plasma (PRP) therapy, or minimally invasive surgical procedures may be considered to repair damaged tendons and restore movement. Since tendons heal more slowly than muscles due to limited blood supply, recovery often takes time and patience.

Finally, USG-guided percutaneous tenotomy is done if every other treatment fails.

Not every post-workout ache is innocuous. That pain that repeatedly comes back, worsens over time, or curtails movement should not be ignored. Getting medical advice early can prevent long-term damage so that people can return to their regular activities without excessive chronic pain.