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Obesity, smoking key triggers for Alzheimer's Disease, say experts

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New Delhi, June 24 (IANS) Obesity and smoking are key triggers for Alzheimer’s Disease, said health experts on Monday, stressing the need to control both, especially in young adults.

Alzheimer’s is a progressive neurodegenerative disorder, which is a serious public health concern.

It leads to memory loss, cognitive decline, and inability to perform daily tasks.

The experts explained that obesity and smoking are the major risk factors for vascular dementia and can trigger Alzheimer’s owing to the inflammation caused due to smoking.

“Smoking damages blood vessels, reducing blood flow to the brain, which can harm brain cells. Obesity is linked to inflammation and insulin resistance, both detrimental to brain health,” Dr. Vikas Mittal, Pulmonologist at the CK Birla Hospital, Delhi, told IANS.

Curbing the major risk factors are important as a recent study published in the journal The Lancet showed that global dementia cases are set to triple, with 153 million living with dementia by 2050.

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Alzheimer’s, the most common cause of dementia, accounting for 60 to 80 per cent of cases, is also expected to soar.

“Obesity also causes conditions like diabetes and cardiac disease which are known risk factors for Alzheimer’s. The presence of these conditions worsens brain health while promoting inflammation, oxidative stress, and vascular damage, which leads to memory decline and increase in Alzheimer’s Disease,” Dr. Anurag Saxena, HOD and Cluster Head Neurosurgery, Manipal Hospital Dwarka, told IANS.

Additionally, obesity impairs metabolic functions and insulin signalling which increases the risk of neurodegeneration.

On the other hand, “smoking worsens oxidative stress and inflammation in the brain which increases the development of Alzheimer’s.

“The harmful chemicals in cigarettes like nicotine and tar damage blood vessels and interfere with blood flow. Smoking can not only accelerate Alzheimer’s Disease but also other forms of dementia,” Dr. Anurag said.

Moreover, people with a family history of Alzheimer’s are more prone to the condition if they smoke.

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The combination and genetic factors and the effects of smoking increases the progress of Alzheimer’s symptoms, the doctor noted.

Dr. Shailesh Rohatgi, HOD, Department of Neurology, DPU Super Speciality Hospital at Pune, told IANS that he advised maintaining a balanced lifestyle and eating habits and keeping a constant check, as vascular dementia can even develop at an early age due to various lifestyle habits.

He also stressed on “daily activities which are not just limited to physical movement but also engaging the brain. It is important to engage your brain in mental activities like board games.”

–IANS

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Facing unexplainable mood disorders? You may be low on Vitamin B 12: Doctors

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New Delhi, July 6 (IANS) Vitamin B-12 plays a key role in producing brain chemicals that affect mood and other brain functions, said doctors on Saturday.

Vitamin B-12 (also known as cobalamin) plays a crucial role in the formation of red blood cells, cell metabolism, nerve function, and the production of DNA.

Some common symptoms of Vitamin B12 deficiency include strange sensations, numbness, or tingling in the hands, legs, or feet, difficulty walking (staggering, balance problems), anaemia, difficulty thinking and reasoning (cognitive difficulties), memory loss, weakness, or fatigue.

“Vitamin B-12 and other B vitamins play a crucial role in producing brain chemicals that affect mood and other brain functions. Low levels of B-12, as well as other B vitamins like vitamin B-6 and folate, may be linked to depression,” Dr Anshu Rohtagi, Senior Consultant, Department of Neurology, Sir Ganga Ram Hospital, told IANS.

“The deficiencies can result from poor diet or difficulties in absorbing the vitamins consumed. So, maintaining adequate B-12 level is essential for overall well-being, including mood regulation,” she added.

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Vitamin B-12 is majorly found in poultry, meat, fish, and dairy products. It is available as an oral supplement, as injections, or nasal spray.

People who consume a vegetarian or vegan diet may be more prone to deficiency as plant foods do not contain vitamin B-12. The elderly and people with digestive tract conditions that affect the absorption of nutrients also are susceptible to vitamin B-12 deficiency.

“Vitamin B12 plays a crucial role in producing brain chemicals like serotonin, which helps regulate mood. When B12 levels dip, these chemicals can become imbalanced, potentially leading to symptoms like mood swings, irritability, and even depression,” Dr Guruprasad Hosurkar, Additional Director – Neurology, Fortis Hospital, Bannerghatta Road, Bengaluru, told IANS.

Importantly, the doctor explained that the “connection is not gender-specific. Both men and women can experience mood changes due to B12 deficiency”.

While research is ongoing, studies suggest a link between low B12 and depression, with some showing improvement in mood with B12 supplementation.

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However, it’s important to note that mood swings can have many causes, and a doctor should be consulted to rule out other factors and determine if a B12 deficiency is present, Dr Guruprasad said.

“Vitamin B12 deficiency causes several neurological symptoms such as tingling, numbness & burning of feet, imbalance, memory impairment, mood disorders, psychosis, seizures, and Parkinsonism,” explained Dr Sudhir Kumar, from Indraprastha Apollo Hospitals, Hyderabad in a post on social media platform X.

“In a patient presenting with neurological or psychiatric symptoms, suspect vitamin B12 deficiency as a cause (especially if there is no obvious cause identified). Early diagnosis and prompt initiation of treatment rapidly improves patient’s symptoms,” he added.

The doctors also stressed the need to maintain a healthy lifestyle and advised key behaviours such as managing high blood pressure, and blood sugar, quitting smoking, and alcohol, staying physically active, getting adequate sleep, and managing stress.

–IANS

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Former NASA astronaut Steve Lee Smith to headline Kerala AI conclave

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Kochi, July 6 (IANS) Former NASA astronaut and technology executive Steve Lee Smith will be the highlight of the two-day first International GenAI Conclave to be hosted by the Kerala Government in Kochi on July 11 and 12.

This event is in association with IBM. Chief Minister Pinarayi Vijayan will inaugurate it.

A veteran astronaut, Smith flew into space four times at 28,000 KMH on the space shuttle during his stint in NASA, covering 16 million miles.

He also performed seven spacewalks, including repairs of the Hubble Space Telescope.

Smith will speak on ‘Lessons Learned from A Skywalker’ at the conclave.

The event will be attended by leading lights in this area to explore the transformative potential of AI and its impact on society and the economy.

The GenAI conclave aims to transform Kerala as an AI destination and showcase the state’s perspectives on industry 4.0, besides giving a thrust to the growth of the economy.

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Besides developers, universities, students, media and analysts, the conclave will feature demos, activations, interactions with industry experts, panel discussions and lectures.

Participants will also get a first-hand experience in the latest advancements in the AI sector.

–IANS

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Mice with functional humanised immune system shows promise

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New Delhi, July 6 (IANS) A first-of-its-kind mice model with a fully functional human immune system and a human-like gut microbiome has shown promise of mounting specific antibody responses.

To date, researchers have not developed a fully functional human immune system, but only those with a brief lifespan that do not mount efficient immune responses, making them unsuitable for the development of in vivo human immunotherapies, human disease modelling, or human vaccine development.

Developed by scientists at The University of Texas in the US, the new model will overcome limitations of currently available in vivo human models and is a breakthrough for biomedical research and promises new insight into immunotherapy development and disease modelling.

Detailed in the journal Nature Immunology, the new humanised mice, called TruHuX (for truly human, or THX), possess a fully developed and fully functional human immune system, including lymph nodes, germinal centres, thymus human epithelial cells, human T and B lymphocytes, memory B lymphocytes, and plasma cells making highly specific antibody and autoantibodies identical to those of humans.

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THX mice mount mature neutralising antibody responses to Salmonella Typhimurium and SARS-CoV-2 virus Spike S1 RBD after vaccination with Salmonella flagellin and the Pfizer Covid-19 mRNA vaccine, respectively.

It is also amenable to developing full-fledged systemic lupus autoimmunity after an injection of pristane — an oil that triggers an inflammatory response.

“THX mice provide a platform for human immune system studies, development of human vaccines, and testing of therapeutics,” said Paolo Casali, Professor at the University of Texas School of Medicine in San Antonio, US.

They do this “by critically leveraging oestrogen activity to support human stem cell and human immune cell differentiation and antibody responses”, he added.

–IANS

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Atal Innovation Mission empowering innovators in Tier 2 & 3 cities: Director

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New Delhi, July 6 (IANS) Atal Innovation Mission’s (AIM) Community Innovator Fellows (CIFs) programme is empowering innovators in Tier 2 and Tier 3 cities, said Dr. Chintan Vaishnav, Mission Director at AIM.

He said this while delivering a keynote address at NITI Aayog marking the celebration of the graduation of its second batch of CIFs on Friday.

Dr. Chintan underscored the programme’s pivotal role in advancing solutions across healthcare, education, agriculture, and financial services, resonating deeply with the ethos of sustainable development.

“We have now established robust institutions that seamlessly integrate business incubation with academia. This well-designed project aspires to be a model of excellence,” Dr. Vaishnav said.

He noted that the Community Innovator initiative “captures the aspirations of youth eager to go beyond traditional boundaries in innovation and startups. It embodies both rigour and relevance, truly inspiring in its mission and impact.”

AIM, through its Atal Community Innovation Centres (ACIC) programme has envisaged serving the unserved/underserved areas of the country, providing support to every grassroots innovator, and working towards accelerating the pathway to reach SDGs 2030.

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“These innovators serve as role models not only for their communities but also for society at large. I’m delighted to witness each business prospering — it’s like shaping raw gold into a precious jewel,” said Anurag Pratap Singh, Vice President & CSR Leader at Capgemini India.

Dr. Suresh Reddy, Lead CSR & Director at SRF Foundation, reflected on the impact of social entrepreneurship in addressing community challenges.

–IANS

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Startups, Global Capability Centres created 8 cr jobs in India in 5 years: Labour Secy

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New Delhi, July 6 (IANS) Global Capability Centres (GCCs) and startups have emerged as major players in creating jobs in India.

Together, these created about eight crore new jobs in the last five years, said Sumita Dawra, Secretary, Ministry of Labour and Employment.

Dawra said this at an event held in the national Capital by the Confederation of Indian Industry (CII) and Employers’ Federation of India (EFI), citing the Periodic Labour Force Survey (PLFS).

She also revealed the reforms such as decriminalisation of labour laws, and increasing female workforce participation, undertaken by the ministry for ease of doing business.

She noted that reforms such as social security and labour welfare are expected to drive inclusive growth in India.

In addition, “29 labour laws had been codified into four labour laws. A national career service portal is active and data from the Skills Ministry is being integrated”, Dawra said.

Further, she added that India “has about 1 crore gig workers and the gig economy is expected to give employment to about 2.4 crore people by 2030.”

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Meanwhile, the government has also constituted a task force to study the impact of Artificial Intelligence on the future of work, the senior official said, calling for more research.

–IANS

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