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Published on: Aug 14, 2021
2 minute read
By: Second Medic Pediatrician

What Are The Common Signs & Symptoms Of Autism ?

What are the Common Signs & Symptoms of Autism ?

The common signs and symptoms of autism in children include lack of eye contact, repetitive hand movement, unusual fixations on objects or events like ceiling fans, and a failure to show meaning using tone and body language. Children with autism often develop some ability to understand empathy as they grow up but the earlier you identify it and seek treatment for your child the better chance, they have at making social connections. The most important thing is that early detection is very important to give your child time to learn social skills that will make their life easier when learning about everything else going on around them. When looking for new information on autism look no further than second-medic.com because we give you access to qualified medical advice from a specialist.

The Autism Society outlines a number of signs that parents can use to determine whether or not they should take their child for an autism evaluation. The most common signs are social and communication issues, obsessions with specific objects, repetitive movements, resisting change; difficulty transitioning from one activity to another; difficulties organizing tasks or ideas; unusually intense reactions to sensory information (tactile, auditory); poor motor skills; difficulty with language-whether in speaking, reading comprehension and writing. Improvement is possible when diagnosed early.

If a doctor or therapist has recommended that you get a second opinion on your child's possible autism diagnosis, then it's important to find doctors and therapists in your area who offer this service.

The trouble with diagnosing autism in children is that every child is different, developing at their own pace and in various parts of the brain. The most significant difference between autistic and non-autistic children are social interactions, which include difficulty interacting with other people, strange eye contact, or reacting to emotions displayed by others. Another red flag would be repetitive behaviors. Overall, these signs and symptoms require significant active observation for a diagnosis.

Generally speaking, though the best way to manage kids with autism is by establishing an orderly schedule as far as possible so it will

A pediatrician will carry out a physical examination to look for any suspicious signs. There are currently no medical or blood tests that can formally diagnose autism. Diagnosis is based on reports from parents, usually in the form of a diagnosis by exclusion (i.e., ruling out other causes of the symptoms). The following are considered as red flags: Dramatic change in toilet training at an early age social delay (does not play well) Loss of words or language skills, even though there is nothing wrong with hearing Tantrums Self-harming behavior/signs of stress Abnormally strong reactions to certain sounds and textures, loud noises such as clinking.

When a child does not show any of these signs and symptoms, it doesn't necessarily mean he or she doesn't have autism. Consult with Second Medic opinion online consultation for more information.

The common sign is unusual delays in language development. They may seem ahead at times and will love to repeat words after you say them but then they start having trouble stringing together two-word phrases as they get older. It's also different from dyslexia in that autistic children are usually well-behaved instead of hyperactive so there's no fidgeting or interrupting others when someone else is talking. The classic test for autism is the "AQ" test which measures social awareness and communication skills among other things.

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Health Problems Linked to Excessive Caffeine Intake: When Too Much Becomes Harmful

Caffeine is one of the most widely consumed stimulants in the world. Found in coffee, tea, energy drinks and many soft drinks, it is often used to improve alertness and combat fatigue. While moderate caffeine consumption can be safe for most people, understanding the health problems linked to excessive caffeine intake is important, especially as daily consumption levels continue to rise in India.

Urban lifestyles, long working hours and increased reliance on energy drinks have made caffeine overconsumption a growing public health concern.

How Caffeine Works in the Body

Caffeine stimulates the central nervous system by blocking adenosine, a chemical responsible for promoting sleep and relaxation.

This results in:

increased alertness
faster heart rate
heightened mental activity

However, overstimulation places stress on multiple body systems.

What Is Considered Excessive Caffeine Intake?

According to WHO and global health guidelines:

up to 400 mg per day is considered safe for most healthy adults

Excessive intake occurs when:

multiple caffeinated beverages are consumed daily
energy drinks are used frequently
caffeine is consumed late in the day

Many people unknowingly exceed safe limits.

Nervous System Overstimulation

Excess caffeine overstimulates the brain.

Common symptoms include:

restlessness
nervousness
tremors
irritability

Chronic overstimulation can worsen stress and reduce emotional stability.

Anxiety and Panic Symptoms

Caffeine increases adrenaline release.

This can:

trigger anxiety attacks
worsen panic disorder
increase feelings of unease

ICMR mental health studies note caffeine as a common trigger for anxiety symptoms in sensitive individuals.

Sleep Disruption and Insomnia

Sleep is one of the first systems affected.

Excessive caffeine:

delays sleep onset
reduces deep sleep
shortens total sleep duration

Even caffeine consumed 6–8 hours before bedtime can impair sleep quality.

Impact on Heart Health

High caffeine intake affects the cardiovascular system.

Possible effects include:

increased heart rate
palpitations
irregular heart rhythm

People with underlying heart conditions are particularly vulnerable.

Blood Pressure Elevation

Caffeine temporarily raises blood pressure.

Chronic excessive intake may:

worsen hypertension
increase cardiovascular risk

NFHS-5 data highlights rising hypertension prevalence in India, making caffeine moderation important.

Digestive System Problems

Caffeine stimulates stomach acid production.

This can cause:

acidity
heartburn
gastritis
bloating

People with sensitive digestion may experience symptoms even at lower doses.

Dependency and Withdrawal Symptoms

Regular high intake leads to caffeine dependence.

Withdrawal symptoms include:

headaches
fatigue
irritability
difficulty concentrating

Dependence reinforces overconsumption cycles.

Effect on Bone Health

Excessive caffeine:

increases calcium loss through urine
may affect bone density over time

This is particularly concerning for older adults and women.

Dehydration and Electrolyte Imbalance

Caffeine has a mild diuretic effect.

High intake without adequate hydration may lead to:

dehydration
muscle cramps
fatigue

Hot climates increase this risk.

Impact on Blood Sugar and Metabolism

Caffeine affects glucose metabolism.

Excessive intake:

worsens insulin sensitivity
increases stress hormone release

This may increase diabetes risk when combined with poor lifestyle habits.

Energy Drinks and Hidden Risks

Energy drinks often contain:

very high caffeine levels
added sugar
stimulants

Lancet reports associate energy drink overuse with heart rhythm disturbances and metabolic stress.

High-Risk Groups

Certain individuals should be especially cautious:

people with anxiety disorders
those with heart disease
pregnant women
individuals with sleep disorders

Safe limits may be lower for these groups.

Signs You May Be Consuming Too Much Caffeine

Warning signs include:

frequent palpitations
chronic insomnia
persistent anxiety
digestive discomfort
reliance on caffeine to function

These signals indicate the need for reduction.

How to Reduce Caffeine Intake Safely

Effective strategies include:

gradual reduction rather than abrupt stopping
switching to decaffeinated options
avoiding caffeine after mid-afternoon
improving sleep and nutrition

Small steps prevent withdrawal symptoms.

Healthier Alternatives for Energy

Better ways to improve energy include:

adequate sleep
balanced meals
hydration
regular physical activity

These support sustained energy without overstimulation.

Role of Preventive Health Awareness

Preventive healthcare focuses on:

identifying lifestyle triggers
reducing dependency habits

NITI Aayog highlights lifestyle modification as key to non-communicable disease prevention.

Long-Term Health Consequences of Ignoring Excess Intake

Chronic caffeine overuse increases risk of:

sleep disorders
anxiety and mood issues
heart rhythm problems
digestive disorders

These conditions often develop gradually.

Conclusion

The health problems linked to excessive caffeine intake extend beyond temporary jitters or sleep loss. Chronic overconsumption strains the nervous system, disrupts sleep, affects heart rhythm, worsens anxiety and impacts digestion and metabolism. While caffeine can be enjoyed safely in moderation, recognising personal limits and maintaining balance is essential for long-term health. Listening to early warning signs and adopting healthier energy habits can prevent serious health consequences.

References

World Health Organization (WHO) – Caffeine Intake and Health Guidelines
Indian Council of Medical Research (ICMR) – Nutrition and Mental Health Studies
National Family Health Survey (NFHS-5) – Hypertension and Lifestyle Risk Data
Lancet – Energy Drinks, Caffeine and Cardiovascular Effects
NITI Aayog – Preventive Health and Lifestyle Modification Reports
Statista – Caffeine Consumption Trends in India

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